For what it's worth from a minimally active account, this specific reputable person recently kept my deposit too after she cancelled. I have some sympathy for her just in case the things she was saying were true (lots of serious personal stressors). But ultimately, it's not right for her to keep the money even if she desperately needs it.
And it's kind of weird to insult the guy for not having "common sense" when he was trying to warn others. Even if he appears whiny, his goal was to warn others which is altruistic. Similarly, I didn't want to write this at all and appear like some whiny guy, but it needed to be said.
On a positive note, I really do hope that this is brief, abnormal behaviour for her, and that things will improve for her.