U.S. Details Gambling Cases Involving Pro Athletes and Mafia Families

That relatively small in-person games would use rigged shuffling machines, cameras, see-through playing cards, lenses etc seems to all but guarantee that every manner of deception and fraud is being perpetrated by all online gambling sites.

Just stuffing any table with two or more "players/bots" that can see all the cards or share their hands with each other would guarantee enormous payouts on the hundreds of millions at stake in the industry. There are obviously a million more things sites could be doing to take money and there's absolutely no source code control the government does to ensure that the whatever code the regulators look at is running in production and that no other systems are running in parallel, like a bot service that colludes to win.