In truth, Hermione was just as surprised as him by how offended she was on Luna’s behalf, but the truth was, after doing DA and duelling club with her, Hermione was finding that Luna was genuine, if a bit daydreamy. And sure, Hermione didn’t believe everything she said, and there were things that she thought were a bit odd for someone of Luna’s background to believe still, but at the end of the day, it wasn’t her place to judge. 