Maybe this is because I'm in a fairly liberal big city, but the only time I see people mocking vegans is when they try to make converts, similar to how they would treat any of the other groups trying.
Growing up in a very meat heavy conservative place I have often been in conversations with people who mock vegetarians for existing.
Anecdotally I've been at a party and a family friend was sharing a "super funny story" where his daughters boyfriend brought Beyond Sausages and he said "I hope you brought sides cause I'm not putting that sissy shit on my grill". This story got a big laugh from all the boomers / older Gen X folks
