Goldwater became senile with age, too.
It’s called elitism. They all know what’s best for us, the great unwashed! Them vs. Us!
Remember, GWB and his fellow globalists tried mightily to stuff Amnesty down our throats in ‘05!
You make it sound as though Bush has somehow changed. He’s always been a globalist and a liberal. Pretty much the only time during his Presidency he seemed articulate and passionate was when he was advocating on behalf of Mexican illegals.