What’s the point of being vegan other that feeling self-righteous?

I know that people make the often very difficult decision, for different reasons. Sometimes it's for health reasons, which answers the question without further commentary.

More people, I'm pretty sure, stop being consumers of animals and their 'products" for environmental and or animal suffering reasons. I think the point of being more at peace with oneself by trying to do less harm, is one other than self-righteousness.