The FIFA dude is a Trumptard. Birds of a corrupt feather, flock together. Don't you remember Trump making an ass of himself at the recent awards ceremony for the Club Championship and the head of FIFA giving him the trophy?
They'll have matches here. They might not go like they want it to, but there will still be matches played in the U.S.
Mexico is also another host as well, so there are more options out there. It will take the national team's nations to revolt if anything is going to happen in the way of cancelling matches on our soil.