I don't get his indignant rage over "no diet day" or whatever. You'd think he'd be thrilled that people were willingly being fat for a day. Since, you know, he's totally into being fat and all.
I just see it as him feeling purposely left out by all the skinny mega-hotties who are just naturally beautiful or whatever. Even though a good portion of them work really hard and have to resist the actually very miserable urge to eat unhealthy foods. But nah, those guys are just dicks who had everything handed to them, and they're just "co-opting fat culture for a day".
He's just cranky the cool kids didn't invite him to their bitchin' party. Even though he could have joined in too, since it's a fucking hashtag and not a frat party. I'm starting to see that maybe the reason he's so angsty against skinny people and "bros" might go back to being teased by those types of people at some point in his life. So now he's gotta invent a club only outcasts and skids would want to be in, and act as though everyone else is bringing them down all the time. He reeks of insecurity and hates the word "cuck" because it describes his life to a tee.