I think you overestimate what it takes to print money and underestimate his drive.

You can't discredit what he did for redpilling masses of fanboys with his attacks on the establishment. Sure, it could be controlled opposition, but given what I've seen about his behavior I find that exceedingly unlikely.

Also, there are other multi-billionaires that rose from total obscurity and that are obviously good people.

There's a very interesting interview with Jim Simons on Numberphile to give you just one example.