What is happening to you, you bought bitcoin at $11k and now bitcoin $30k means you made $19k for one bitcoin. So what more could you ask for?. Bitcoin hit $69k instead of $63k before dropping to $30k as it is now and this is normal for bitcoin. Bitcoin price is unpredictable and only time will give us the most accurate answer, if you are afraid you can sell your bitcoins and take the profit, if you believe in bitcoin then keep holding and wait for $100k target.
These people will never think that their profit is enough, they will always feel more greedy towards making unlimited amount of money. Plus I am sure that they didn't buy a whole bitcoin, someone who is looking for that much difference is 100% guaranteed made smaller investment and want to see it go to insane levels so that their money would be worth something.
Buying 11 dollars worth and have 30 bucks worth now and they want it to be 10 million dollars so they would have 10k dollars. That's the funny thing, people will not get rich overnight with bitcoin if they invest tiny amounts, and million still haven't understood that much about bitcoin.
It is way more common to see this type of thinking when people are investing in altcoins as they think that such a coin has a higher probability of skyrocketing than bitcoin, it seems they do not understand that the chances that a coin collapses before it goes up is many times higher than the chance that it will skyrocket, but if they want to waste their money then that is their call.
However I do not understand why those which invest a small amount of money in bitcoin complain about its growth, if you obtained almost 200% your original investment that is money that you did not had before and that can only be a good thing, if they want for this amount of money to be bigger than what they got then they got no other option but to take the risk and invest even more money in bitcoin, which is a good idea since the price of bitcoin is very low at the moment.