[ignoramous]

That's game theory 101. The grudgers/cheaters always thrive in the long run in an environment of zero-sum, miscommunication, and mistrust.

https://ncase.me/trust

[Nasrudith]

Scammers also don't need to fool all people some of the time - just some people all of the time. Nigerian Prince Scamming already filters for maximizing gullibility to reduce time wasteage.