Originally Posted by
Treelife
When the Banwave went out for PQR one of my guildies also got banned for no reason at the exact same time, he got his account restored within an hour or so. They also said after it was to do with his account potentially being hacked, so either mistakes, confusions (or just coincidences) do happen, but they get resolved.
If I had to guess it's to do with the current battle.net errors, EU BN is down and is having login issues, and afaik so is US. Or at least it was a few hours ago when I was watching a stream.
E: And apparently random servers going down, fun fun.