For me id say its a coping mechanism. Star vs got me so depressed i stopped watching early on in season 3 and i dont plan on ever finishing it with all the horrible things ive heard happened since. Same with SU but for different reasons, most cartoons i used to love arent enjoyable anymore, the things i loved about them in the first place went away. The first time this truely happened was adventure time, and wach time i try to get back into it i fall into another state of sadness and have to stop.
I just want to have fun while watching cartoons and not be reminded how shitty the world and my life is through them anymore.