I don't understand what there is to wait and see about. There's so much historical precedent for it.Well, let's wait and see. Sea of Thieves has impressed me on that front. So we'll see what happens
Xbox 2 games working on XB1X and XB1 is only delaying the inevitable. They have to drop XB1 at some point might as well do it at the start of the gen. Unless you want to limit game development you have to cut off XB1 and 1X some time. Scale able games only go so far.