liking a villain ≠ defending their actions.
just because I like a certain character who's done awful stuff that doesn't mean I defend them, I just simply like their psychological profile and I think they're well written. An example I can think of right now is Ma from evillious chronicles. I certainly disagree with a certain thing she did, I honestly think it was pretty unnecessary, but objectively speaking, she's a well written villain, reason why I love her.