fraudsters invent many tricks to lure naive investors into the nets of their malicious schemes.
I agree with the part that the scammers invoke many tricks, they evolve every day, but thanks to the gain of the people that the scammers still exist. if people were not greedy, then the scammers would have disappeared
I don't agree with this "blame the victim" approach, first it's natural and good for people to want to improve their financial lives. Greed is when people want more and more wealth when they already have it, but most of the victims of scammers are just average joes, and often they are actually poor and end up being scammed only because they were desperate (and not very smart).