Interesting video. Anyway, I've never really considered it, but you can't consider a titan evil. It's like calling a spider that eats a fly evil. Though there's a few differences as for example how titans don't need to eat humans. However, at their core, titans are from what I know, driven by natural impulses. Of course like he said, it's plausible that they are being controlled. Though the titans are unknown so it's hard to really to claim if their "evil" or just doing what comes natural.