In which case they would have no right to shut down a match making service unless said service streamed the game which at that point would violate copyright.

As you can Trace almost everything to EA, so too can you trace everything to Activision.

An exemption can be made if blizzard no longer provides server access.

You would be wrong. You have every right to use the property you purchased. The legal issues come in sharing the property. The whole grey area is whether or not they can hold a monopoly on a service. When you buy the game they sell you the right to play that game. In this instance however, they are forcing you to pay…