Okay, maybe a not-for-profit organization that he voluntarily resigned from gave him a golden parachute deal with perpetual royalties that’s totally secret. We can never know …
One thing we do know? Using Brave has a 100% chance of supporting him financially.
The original question was whether it was legal, not whether they could get away with it. If they did get caught, there is a very high likelihood they could be convicted of fraud.