Or they think that they are smarter than others, and could make a profit with the scammy market…

which has historically been a very rich vein of marks for scammers to exploit

Or for them it is just another job that pays the bills and they really like working on interesting problems, as opposed to the "stable" corporate jobs.

/jk, who would fall for that lol? /jk/jk Source: I work in blockchain, you can easily dox me in a single google search