Well, I already do know some of those things don’t have to be totally excised to work. Also, you came up with that clever way to cut the Rey/Luke conversation without mentioning Palpatine, I wouldn’t be surprised if you end up being the one to figure out how to make some of these other changes work!
But despite all of my saying this, I think Dom has a clear idea how to cut it, and should definitely stick with what he has in mind.