Why do Millennials hate Gen Z fashion so much?

Every time I see millennials exposed to zoomer fashion they instantly start seething. it's always some 20 year old celebrity who goes outside wearing baggy clothes with a graphic tee and millennials online start screeching shit like

NOOOOOOO YOU CAN'T WEAR ANYTHING INTERESTING YOU HAVE TO WEAR HYPERMINIMALISTIC SLOP AT ALL TIMES OR YOURE UGLY AND WEIRD

Why are you people like this