Random youtuber says Donner might own the X-men - oh it's real!.....but two movie insiders with a track record? Perish the thought!
What these guys are saying has some basis in the fact that the reshoots were pretty extensive, unplanned, and late in the game. As a general rule, those aren't encouraging signs. Hopefully they can clean it up before the theatrical release. Damage to the X-brand is something none of us want.