One Piece, for two-fold reasons: one, I can't get behind the art style and two, it's been going on for so long and so many volumes that by the time I'd get caught up. it'd be the heat death of the universe
Lord of the Rings movies! Love the books but always thought the books did not do them justice, and seeing as it took off with the general crowd I just began hating on it even more
Basically, any kind of anime except those with the most realistic of styles. I understand some of the stories might be just straight epic, but the art style is too stylized for my tastes. To me, most of them look like aliens wearing human suits, and it just triggers my uncanny valley.
Definitely not a unique opinion, but One Piece. It’s just been going on for so long that it’s impossible to get into. I feel like everything needs to end at some point but it keeps dragging on.