Yes, this is how a casino works by the very design of the game, as you mention. I would be very surprised if someone did not know that. As for lotteries, they

Yes, this is how a casino works by the very design of the game, as you mention. I would be very surprised if someone did not know that. As for lotteries, they also ban people if they win too frequently. This doesn't happen for random lotteries where you pick random numbers since I've never heard of a case where someone managed to figure out how such a lottery worked without committing a crime, but many government operated lotteries do run sports books and if you win too frequently they do ban you.