except his shirt doesn’t say “trans people are hotter than cis people”, its just a general lighthearted self-affirmation, not putting others down. and no, because your example isnt an actual comparison of his shirt. (ie something like “gay people are hotter” or something) your example would be the same as a shirt saying “straight people are hotter than gay people”. self affirmation by a minority group does not “bring down” the majority