I generally try not to bring it up, but I know folks that’ve resumed eating meat and we’re welcomed back with high-fives. This argues against the “preachy” argument in this thread. And people don’t get criticized the same way over eating unnutritious fast food all the time. My view is that some people feel criticized by other folks’ different life choices. When Alice to be in an out group, Betty is confronted with their own life choices.