Well most folks do mistakes bitcoin as cryptocurrency as a whole ( which is not right though) , because cryptocurrency is like the general terms use for all digital currency, and bitcoin under that category of been a digital currency. So bitcoin is coin on is own , and it's the first of its kind (digital currency), that's why is the king of all digital currency, like the original . (Now am making it sound like a movie 
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The best way to learn is excepting your mistakes and taken correction, so nice one 😁 GIF-JOBS, this shows that you are here to learn and to expand your bitcoin knowledge.
He who fails to learn things the right way we surely learn it the hard way. They will get burned by altcoin, or they will realize too late that Bitcoins value and principle are unparalled. Either way there is always a lesson waiting for them. Based on the way they classify Bitcoin as cryptocurrency they will see need to start investing in other coins that might make them regret in the future and if they lack belief in Bitcoin then its more likely they will still procrastinate and not start their investment journey. ) ,The best way to learn is excepting your mistakes and taken correction, so nice one 😁 GIF-JOBS, this shows that you are here to learn and to expand your bitcoin knowledge.
Bitcoin isnt jsut the first but the foundation of the decentralized space. No other currency replicates this trifecta. Yet people still classify it under cryptocurrencies where the name has been condemned with the performance of shitcoins.
Technically, bitcoin is a crypto currency, yet it is misleading to lump bitcoin in as a crypto currency, or to talk about cryptos (shitcoins) and to lump bitcoin in as if it were the same thing or close to the same thing, since in an overwhelming majority of the instances, various shitcoins are trying to profit by implying that they are similar to bitcoin and if we agree to classify bitcoin in a similar way, then we are pumping shitcoins through our failure/refusal to be specific in our language.
As you mentioned, we are better off to specifically refer to bitcoin if we are talking about bitcoin, and if we also want to talk about shitcoins or to make some kind of point about one or more shitcoins, then we just need to try to be clear in our language, if that is what we are doing.
Mostly in bitcoin threads we are not necessarily needing to talk about shitcoins, yet surely from time to time the topic of shitcoins and crypto might become relevant to whatever we might be wanting to discuss.
Many of us here today were ignorant of this fact till we came to this forum, especially this thread, that was how we realised that bitcoin is on it's own and not part of any crypto currencies. If we don't enlighten these ignorant people they won't ever know the truth and they will keep living in their ignorance. Not that they ain't open to embrace the the change that bitcoin is not a crypto currency. The truth is that they don't know, so let's help people know the truth whenever we come across them.
Hopefully we can try to be clear in this thread, but yeah there are so many folks who don't know how to speak about bitcoin and/or crypto, and frequently newbies are not even very clear about what is bitcoin, so they might have difficulties knowing the difference between bitcoin and shitcoins, so it may well become important to spend some time learning about bitcoin first, and then it might become more clear how various shitcoins might relate to bitcoin, whether they are affinity scams (meaning that they are trying to appear similar to bitcoin) or they might be pump and dumps or trying to print their own token, or various other kinds of scams that they tend to promote that sometimes could end up overlapping with bitcoin discussions, even though we also might be trying to minimize the discussion of any shitcoins in bitcoin threads, since the shitcoin topic could end up being very distracting and a slippery slope to going through ongoing distractions of irrelevancies.
As long as we can trust the market we can invest in Bitcoin reliably but when we lose our trust in the market we can no longer invest consistently even if we want to. But at the current level of the market,
If you can't control your greed and emotions while investing then surely you will lose confidence in consistent investing. Because if you are greedy then you can sell Bitcoin when the price goes up a bit. Experienced investors never lose confidence in their investments, they always think positively about the Bitcoin market and they keep their investments for long term. Though it's very normal that sometimes you might decide to have a look at what Bitcoin is doing in the market, but you have nothing to worry about because you are a long term holder, it's only traders that exhibit those traits like fear and greed, no an investor.
As for losing confidence in Bitcoin when investing continuously, I don't think it's likely, unless you never have faith in Bitcoin in the first place.
I agree with your overall point that investors should be less emotional than traders in regards to their bitcoin investment and/or their position, yet even though this thread is not about trading, traders still should be attempting to structure their trades so that they are not emotional about them... .yet sure, the mere fact that they are frequently taking and/or changing positions could end up leading to more emotions based on more involvement and interactions with the market on a regular basis. Yet, at the same time, the trader might claim that his trades (and practicing trades) allows him to take emotions off of the table when he gets out of one position and gets into another position, yet many traders likely spend a decent amount of time in delusional practices that frequently devolve into gambling behaviors since it can be quite difficult to be frequently taking or changing positions and to be guessing in regards to a lot of the variables or attempting to make reasonable inferences that are not necessarily as reasonable as they are supposed (or intended) to be.
I think the scarcity of bitcoin is what causes the increase in bitcoin price therein and making it have a value. So the value of bitcoin is equated in price.
Scarcity means that the assets has a very limited quantity for consumption but in Bitcoin other things are the reason why it keeps growing because if it was scars a lot of exchanges would have stop having Bitcoin pairs but on the contrary all the exchanges has a 24 hours steady market for Bitcoin, so actually is only when you have tried to visit the market to buy Bitcoin but could not that's when you would say is scars, so since you can buy at any time of the day it remain available, however from now till many years to come so long as Bitcoin is working it will never be scars for anybody, meanwhile if it was the scarcity that give the growth what happened few days ago when it falls to $90k? Does it mean that it was no longer scars for people?, because if it was scars those billionaires would have empty what is remain of the market and all us buying slowly would have left with no Bitcoin to buy, so actually the total quality of Bitcoin is capable of accommodating everybody in the world. For sure, in times like this, billionaires can buy thousands and even tens of thousands of bitcoin, yet they sometimes might have difficulties sourcing their bitcoin, especially if they want to attempt to establish their bitcoin position quickly and they want to minimize the slippage of the price on the market, if they were forced to buy their bitcoin at spot prices, and even though you are correct with your implication that exchanges will be running out of bitcoin, I suspect that as the BTC price goes up, there will be bitcoin that comes onto the market and is made available for billionaires and/or other rich people to buy, yet they surely might need to pay higher prices, the longer they wait or the more BTC that they want to try to purchase at any one given time.