To back up a bit. Autos are practiced in the sim. They're initially practiced as a set piece in initial fams, i.e. "here it comes." Later, a sim instructor will whip them out as part of a scenario. At least initially, most students will "crash." By the end, they're typically doing okay.
I personally think that the new LHAs should have well decks. Not because of anything regarding the Osprey, but mostly because we don't always get to fight on sunny days. I'm willing to takeoff near 0/0, but landing is another story. Plus, for serious movements, eventually you'll need trucks and such that even 53s can't carry.
That said, I don't think the EFV cancellation negates all of the OTH concept. Many contingencies that the USMC trains for are conducted purely by air, and the Osprey extends the battlespace way farther than it was before. We've been off the coast of NC and were doing hits in FL. I use that exercise example (which is real, BTW) to illustrate the concept. We've done similar long-range ops in V-22s in real contingencies already.
Again, why are we arguing? Is anything going to change? No? Then stop. We have this capability now. Lets put our heads together and figure out how to use the pluses, minimize the minuses, and kill some GD jihadis.