I have never seen a ref call something off of a replay that wasn't called on the floor, and in my opinion that's BS! If they called a foul on Malachi and upgraded it to a flagrant upon review, that's one thing, but there was no foul call on that play. Fanta and Donny said Hurley was challenging the out of bounds call. (And BTW, no, it was not a flagrant foul!)
It's like reviewing a catch/no catch in football and the ref says "oh by the way there was a facemask there."
Mabye there's something in the NCAA Rule Book specifically about flagrant fouls, but if it's not called on the floor, it shouldn't be allowed to be a new call based on a replay review.