I remember being in middle school when Blizzard mentioned they were being bought by Activision on the Warcraft III strategy website (http://classic.battle.net/war3/). There was some mention of Vivendi, and I had no idea what it meant; I was an idiot and knew no economics, but it was clear from the wording of this announcement that WCIII and other RTS games would not be their focus. Then WoW staganation came, and blizzard pretty much gave up on SCII (see 2012) and on Diablo III (various things).
It has been interesting seeing Blizzard slowly become a shell of its former self.