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No scams and hacks are not the major risks that one should look at when it comes to bitcoin, because when you are careful enough and know your way around bitcoin you can never fall for scams and possibly hacks. When talking about risks, we are looking at something that can affect everybody that has invested in bitcoin. We are looking at the wider picture here, something that when it happens everyone is affected irrespective of how careful you are or not. And that is the risk of bitcoin price going down to zero. This is the biggest risk that's associated with bitcoin. Even though I don't see the possibility of that happening, but we can't neglect the fact that such risk still exists in bitcoin. This is the major risk that all investors should be more concerned about.
It is why learning before deciding will be necessary for those who want to invest in Bitcoin. With so many resources they can get, they will learn step by step and have the right information that they need. Bitcoin have its risk so from their learning, they can be able to prevent the hacking or scamming and will not let them getting to that thing. And yes, Bitcoin have fluctuation but that will not be a problem for those who can manage themselves and not panic. If the price is down, they can still hodl and wait while they can still buy more at a low price and keep hodl. The fluctuation will always be in Bitcoin so we don't have to panic but use that moment for our benefit.
Learning before investing? you seem not to understand anything with bitcoin because it has been made easy that you can invest and still be learning at the same time, imagine waiting to learn all the basics and it took you so much time to get through with the learn by then bitcoin had gone up! investing has become simple that you can just buy some stash and keep them in your exchange account or wallet untill it gets to a good amount like $1000 or $500 before you can move them out to a more secure wallet while in the process you could have learn enough about coins security that's how simple it is with bitcoin I don't see anything too big for one to learn in bitcoin even one who wants to learn technical aspects would still invest and be learning, they say the best way to learn is to practicalize so how then do you do that without investing already.
You must have to change this perspective of yours because if you tech others this they will probably not invest by waiting too much.