> I'm not sure how you are judging "activity"

OK, "324 Kuketz-Blog (kuketzblog@rooms.dismail.de)" seems like most popular jabber channel, right?

Here's the #freenode top in this moment:

#linux 2000

#python 1950

#archlinux 1860

And it's ONLY first 3 top channels.

So, the facts matters.