Idk if Karkat's attitude changes much past what I've read so far, but I just don't get pairings where one of the characters really fucking hates the other character
Just like every big fanbase, Homestuck's contains shitty people. That tumblr blog focused on unpopular opinions just debates over John and Kanaya's sexuality.
The thing is that it isn't even her fat stuff that gets to me - it's all the other fetishes and the awkward anatomy.