My theory is he just didn't really read it and might have been set off by Mugsey's penchant for using CAPS ALL OVER THE PLACE, thinking people were yelling and it was time to close it.
Mod Knee-Jerk Syndrome.
I don't think there were any TOS violations in that thread, not any more than a whole lot of threads here have at any rate, and it was also pretty well ON topic.
I mean, considering half or more of the Poser users are using stuff they bought from other people and the other half are making the stuff people buy, it would seem to me that a discussion of that sort is very relevant here.