Yes, I also watched ...
but I already knew about what they showed.
Cheating happens all the time with internet sites.
They do their best to police them, trying to keep it to a minimum, using software that is suppose to detect collusion, but it takes a while for the patterns to be detected, giving the "perps" plenty of time to take the cash and run.
Example, a couple of college kids getting on the same table using different laptops, knowing what cards each other have, gives them a huge advantage to game that table.
They don't even have to be in the same room, using cellphones.
Players beware!