Veganism can act as cover for disordered eating; perhaps that is what you have observed.
Related, I know many “vegetarians” who are what I call effective vegans, meaning they eat vegan ~90% of the time, recognizing purity as a pointless pursuit.
stametseater
Anecdotally, vegetarian seem to eat a lot of eggs, fish, etc. Yes I know fish is technically not vegetarian, but.. they call themselves vegetarian and certainly avoid other meats.
Related, I know many “vegetarians” who are what I call effective vegans, meaning they eat vegan ~90% of the time, recognizing purity as a pointless pursuit.