Even among young Republican and republican-leaning gen alpha, there's a penchant toward certain socialist ideology favoring ideas like universal healthcare and wealth tax.
Blame circumstance, a failing education system, lack of opportunity, etc., but a Muslim, anti-capitalist wouldn't have been thinkable after 9/11. but now is a viable candidate.
Of course, New York is very old for an American city, and goes through boom and bust cycles, and he'll just accelerate the bust cycle.