User Airplane611 was in chat recently, asking for SCP feedback (the article was this). They stated (and later confirmed) that they were 10. I personally don't really believe that they're 10, but they do seem underage.
I'm advocating for 5 year site ban on this wikidot account.
Crossposting for relevance: http://05command.wikidot.com/forum/t-884386/airplane611