It's generally thought that McIlroy was sat down by JP McManus a while ago and told look son, this is the way the world works, the money always wins, so drop the moral objections to Saudi and object only to LIV as a breakaway. As such I think he'll be largely (if reluctantly) on board with the new Saudi overlords as long as it's all in one place again.
Good to see the 9/11 families slamming Monahan, he must be one of the most flagrant lizard-men I can remember, makes Sepp Blatter look like an honest customer.