Laundering dough? Please! Laundering garments, way better - keeping those whites bright! Joking aside, money laundering in online casinos? A major issue, like building a wall. Big money attracts shady folks, no surprise. We, the players, gotta do our homework. Stick to safe, secure platforms. Hit the jackpot? Tell the IRS! Uncle Sam needs his piece of the cake! Online gambling: a world of surprises, opportunities. But we gotta play fair, keep it safe, and secure for everyone. Let's do it, folks!
In fact that should be one of the main motivators to gamble at reputable casinos and follow their TOS, after all if you happen to be one of the lucky gamblers which wins a massive amount of money at the casino, you do not want that to happen at a casino which will never pay you or to discover you did something which violated their TOS and they can refuse to pay you.
And while it is clear this is unlikely, it is still a possibility, as even if it is not exactly the same I remember reading the cases of people that won the lottery, but they lost their ticket, and as such they were unable to claim their prize money.