"Gluten Free Vegans" at that. OP doesn't dislike animal rights, they just specifically dislike people with a potentially life-threatening allergy standing up for animal rights.
Let's be honest though, they've just written both off as "overly restrictive fad diets followed by people who annoy me by talking about their lifestyles"
OP is the human embodiment of a conservative stand-up comedian, or as Tim Heidecker put it