He has a citizen mother. Even if WKA doesn't cover children of temporary residents (and it's debatable whether it does or not), he's covered.
Again, you or I might not like it. I personally wish he hadn't gotten elected, but I am doubtful whether we would be any better off under Slow Joe Biden or not. Maybe we would.
But what you and I prefer doesn't change what US law is. And people who behave like real conservatives don't try to "change" the law by misrepresenting it or rewriting it based on the whim of the day. That's a tactic of some liberals who like to say we have a "living" Constitution.
Cite the law that states such.