No. They're not. They made an example to set you up, and you walked right into it. Making their point for them.

Talking shit about someone's diet isn't going to make them change their diet.

The only insane part is that you view everyone that isn't a vegan as "anti-vegan". Or that everyone that disagrees with you is "anti-vegan"

I don't think the cashier at my local grocery store is "anti-boardgames" just because they feel annoyed when someone tries to pay with monopoly money.