then why is every photo & video i see of protests chockful of people in their 60s, 70s & older? also, large number of white gen xers voted for yamtits.

Um, probably better not to make that generalization. Especially if you're basing it on FB or something. A group of Boomer dykes has been working with an African lesbian group for over a decade. If you were progressive back in the day, odds on, you still are.