>>149709725Steven Universe was sold to both Cartoon Network and audiences as an adventure show about magical space heroes who go to ancient temples and fight monsters each day, are also raiding their dead team member's child who sometimes also joins the adventure. It was a classic adventure series but from the plucky kid sidekick's point of view.
Then in season 2 it became a show about a fat kid and his weird looking aunts that hang around a beach town all day, he is like some kind of helpful bad luck moron that helps out the random townsfolk of the week and tends to screw up a lot. Sometimes someone from space appears, but it's mostly about a sleepy beach town. And this attracted all the adult fans and tumblr artists.