Ohhh I see. It's similar to how vegans generally consider all non-vegans immoral lazy unhealthy fat poison-eating murderers. The informal sociological clustering is efficient since the generalization is ~80% true. Nuance wastes too much time.

Is linking to some random opinion article on the Internet your way of arguing for the validity of stereotypes? Well, I'm convinced. Too bad "accurate enough" doesn't work in physics, we'd already understand the universe by now!