Saying someone is "hurr durr meat tastes better" is wrong is so dismissive of other people and completely insufferable.
I agree, people should eat less meat. We often have meals in my house that don't feature meat. But guess what, I think meat tastes better.
The best way to alienate people and turn them against your point of view is to be an insufferable twat.
It was the straw that broke the camels back to get me to switch to Linux.