I'd hardly say it's unsubstantiated when multiple people including a dev corroborate the reports.
Like I said, unsubstantiated.
You could probably say, "I saw a pig fly" on this forum and find a couple people to defend your position.
Quotes of harassing messages, e-mails, whatever: report it. He did report one case earlier and we didn't rule, which, IMHO, was a big mistake. Because the Titan ruling didn't rule for one side or another, and didn't really address the case at hand. We should rule this time.