[ndiddy]

You're right that people don't get directly banned for winning too often, but they will get their maximum bets limited to something like $10 if they consistently place bets where they get a good deal on the odds (i.e. placing a bet at +100 when the odds closed at -200). This is one of the worst aspects of legalized sports betting IMO, and why I think it should be regulated. The companies running the sportsbooks are free to make errors on their odds without consequences because they're allowed to identify and ban anyone who takes advantage of the mispriced odds. This means they get to limit their customer bases solely to people who don't understand expected value, which turns the whole industry into a mechanism to take money from the stupid/uneducated. If you have an account at a sportsbook that's more than a few weeks old, and it's still in good standing, it's because the sportsbook knows you're a loser and that even if you win big a few times, you'll be profitable to them long-term.