I dont really understand how that play is under debate, no matter if its over the wall or not its still interference. But Benny did save us there, what a play
Rule 3.16...”no interference shall be allowed when a fielder reaches over a fence, railing, rope or into a stand to catch a ball. He does so at his own risk. However should a spectator reach out on the playing field side of such fence, railing or rope, and plainly prevent the fielder Tom catching the ball, then the batsman should be called out for the spectators interference”.
Based on the side angle they showed to start the next inning they got it wrong. There should be no debate he reached over the fence free ball they blew it.
Mookie also said he was going to catch it there was no proof his glove was aligned.