This could start something quite ugly.
Yes - if it goes bad and Israel ends up killing some of them, it will be used to cement anti-Israel sentiments among the global Israel haters and allow our own Hater-in-Chief to show his true disdain and treachery towards God's Chosen.
I don't worry so much about praying for Israel because God has already spoken - what will be, will be. But I do pray for the rest of the world as prophesy plods towards the ultimate end game.