Okay, I am starting with AoW's group hacking/glitch(?):
It may or not have been a staff, but for Age of Wishes, they had some suspicions, at least I did, that an old staff from their roleplay that left and now spreads a bunch of rumors about AoW might of caused this hacking, since they may have known the password for Age of Wishes' recruiter account.
I could have been a glitch, since it felt like it when the first time Angered Skies, AS, was disbanded.
We only assumed that FH had goofed up and left us crawling through mud to recreate our group and invite our members back,
only now that it has happened twice, I suspect, I think Angered Skies' staff may too, that there was a hacker involved.
I may not be helping here, but it is a bit of evidence that leads to finding who is hacking these groups. Someone once told me that they once hacked some group's recruiter account because they were scared of the creator of that group because they were very forceful, and I don't blame them. But as I do not come to know them any better, they could be a extending stage to find out this terrible mystery.
I have to add, this person I talked to also said that they hacked the rest of that group's main admin's accounts, leaving them in the dust, I think, because they were afraid. They were explaining this in party chat, and I may have misinterpreted something, but their response to fear is kind of... scary? Knowing a group was hacked, even if it was a very bad one with forceful staff, it is not nice.
This person is ex-staff of that roleplay, so that explains how they got the recruiter password, but it may extend to finding other accounts to if they are willing to do that to settle their fear or anger.