Why are Vegans/Vegetarians so arrogant?

ElDiablo666
Whenever I meet a vegan/vegetarian, or see one on TV, they always do 2 things:
1, Bang on about being a vegetarian/vegan
2, Constantly act like they are better than you because they don't eat meat and you do.

Has a vegan/vegetarian acted this way to you?
Have you, as a vegetarian/vegan acted this way?

Fact: Humans have sharp teeth at the front of their mouth for cutting/slicing meat.
Humans, and our ancestors, have been carnivores for 2.5 million years.
You are not superior if you choose NOT to eat meat now.
Updates
+1 y
I meant we are omnivores, but we are pretty carnivorous by nature.
Why are Vegans/Vegetarians so arrogant?
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