I know I'm going to piss off every single group with this unpopular opinion, but I view veganism/vegetarianism and religion similarly.
Both of them come with benefits and downsides. The extent of these benefits and downsides differ from person to person. There's no "right" answer, talking about your choice is perfectly fine and I don't really care what you do either way, but I don't like it when you try too hard to convert me.