My stats got some wiped - Lost about 15 Str levels, 5 magic and about 16 ranged. As for what I said it's not even that difficult, try a few yourself, mine was literally 4 sentences.
Yes, I emailed their billing department. Yes it worked for me, and yes it could work for others, in theory. Their sending out messages to get people unbanned - I would imagine this greatly speeds up the process.