It's not "reserved for polycounters", it just makes sense to congratulate polycounters since they actually visit here and will see the posts. What Polycount should have done was to make him a official Polycount birthday card and send it to him!
I know this is usually reserved for actual polycounters, but "The Polycount Pack" was probably the coolest thing I've seen happen to Polycount since my stay here, so I figured this deserved at least some amount of congratulations. Lets hope that just today at valve, the cake is not a lie.