It’s ‘chan tradition. ‘Ya-oi’ is wordfiltered because it invokes an anime-esque association to pretty-boy bishies; TF2chan regulars prefer their grizzled middle-aged mercenaries, well, just that. (As for being something a troll would do, I have actually used the wordfilter to troll the trolls - http://writingcyan.tumblr.com/post/11050326488/having-fun-with-trolls - seriously, unexpected necrophilia is never not funny!).
Personally, I’ve gotten used to the wordfilters and quite like them – except the one for tumblr, which I also believe was removed recently. I guess I’ll find out when posting this reply.
>at least he has the sense to use a toy with a flared base, otherwise he'd have a lot of explaining to do with Medic.
As an ER doctor, I approve of the use of flare-based anal plugs. As a Medic/Scout shipper, I’d rather enjoy seeing a furiously blushing Scout explaining to Medic exactly why he needs a sturdy latex glove, the big bottle of medical-grade lube, and someone else’s fingers up where he just can’t reach...