I would wager most of the people dealing in crypto currencies are actually precisely the kind of people that would fall for pretty much anything. I don't think it's a stretch to say that the fact that they deal in crypto currencies is actually a pretty good indication that they would.
More to the point - there is a significant number of people who started learning about computer security precisely because they got some cryptocurrencies. And frankly, if someone wants to really understand the details, it's hard to miss all the frequent warnings and examples of scams, hacks, leaks.
I saw one of those fake Elon Musk posts in my stream and my first thought was "Wow! Is Elon pushing shady blockchain money things now?" It wasn't until a few seconds later that I realized there was no blue-check and it wasn't him....