There's nothing wrong with that! It's just when his fans think their fanon view and interpretation of his character is actually canon is when it's annoying.
No, Loki isn't innocent. No, Loki's family wasn't abusive. No, Thor wasn't really all that horrible of an older brother (pretty must just your typical one, actually). No, their was no sexual attraction between Loki and any of the other Avengers, etc, etc, etc.