I agreed with you until I got to the heteronormativity part. That’s you misconstruing things to make a problem that isn’t there. Without doubt, making a joke out of sexuality apart from “the norm” is certainly as bad as jokes about alcoholism and abuse, but at least alcoholism and abuse are present in the story to hate.
tbh i can’t help wondering if maybe you don’t really understand what the word “heteronormativity” means? because nothing in the context of how you’re using it in your reblog here seems to indicate that you do