A couple more thoughts...
I believe there has remained significant parts production for our Raptors, as I have spoken to folks involved. This includes some advancement. Also, it would take a while, but Israel is not incapable of reproduction, including an advanced
F-22.
Additionally, such a deal likely causes desperation and new calculus of nearly all regional players, especially Turkey, and especially Russia and China.
Turkey, Iran, Syria, Russia, and China will not like this at all.
He may approve the sale but it is complicated beyond normal FMS processes.