That's exactly it, the 'wage' is a tip - and often kept low on purpose, can't pay income tax if you don't earn an income - the real money is in being able to make decisions that benefit your interests. It'll be in the form of under-the-table kickbacks to skirt around the SEC and such of course, but it's there.

I mean the US president is doing it, he's funneled hundreds of millions into his resorts / golf clubs alone, and that's just the blatantly obvious / in clear view tip of the iceberg.