The same thing is happening to me as of last night. I have an Authenticator, nobody but me was logged in and I checked the status of my ticket about not being able to post in the forums (which seems to have spontaneously resolved) and there was a separate ticket to delete my Battle.net account and game data. I have a theory as to what is happening but I’m afraid of sharing it here.
Does anyone know how to report a GM for misconduct? I’m having issues but I have all the screenshots saved of what was said.