User blog comment:Bovell/Popular Modern Warfare 2 mod, alterIWNet, shutdown by Activision/@comment-1713210-20120313031127/@comment-139.168.139.231-20120313145207

Activision isn't making anything off the aIW, and I'm quite sure you have to download a pirated version of MW2 then it is modified by them. If it was just a mod for people that actually bought MW2 instead of a free game and then, the mod for everyone, they would have done this, I believe.