Not much of a Harry Potter fan, but both those annoyances seem perfectly reasonable, because eitjer of those options, badly written, refuses to acknowledge a significant part of the circumstances surrounding what he did.

"Draco did terrible things, which he might not have if he weren't being raised by a bunch of nutcases, and will presumably make better choices when he has more autonomy and a better understanding of the consequences" might not be annoying to read, but it's subtle and would take careful writing to bring out. I think the issue of autonomy might make an interesting fic, in fact - Harry's family treated him badly, but they didn't try to use him; the one who tried to use him was Dumbledore. But.