That's honestly very cool. As long as he's not being an ass about it, I think it's neat that he's expressing himself on a daily basis and wearing what makes him happy.
I really hope you're just a dumb 14-year-old, it's to depressing to imagine an adult doing it. It's the same kind of soul-crushing cringe as the youtube comments that kids spam on every video, like "wake up babe, blabla dropped a new vid".