I hang out and discuss with vegans for about 15 years now, in political social contexts. So even though I'm not vegan I probably know the arguments and still have important thoughts to add to the discussion, if you can imagine tjat as a possibillity
"Vegan" doesn't signify a higher spirit.
You're a writer too. If you so far decided to not get organized, you and your fellow writers are just copying what you read from others.