Can you cite some specifics and numbers on Reddit mods engaging in payola and deception for personal gain/profit? Which topics and subreddits? Was it for polit

Can you cite some specifics and numbers on Reddit mods engaging in payola and deception for personal gain/profit? Which topics and subreddits? Was it for political views, bias towards specific companies/ products/ advertisers? What is Reddit's legal obligation to monitor and oversee that, IYO? Should their mods have sponsorship or conflict-of-interest disclosures, like how financial commentators do?