I'm not going to ask why you posted this in Customer Service at first, steel (maybe you thought you were elsewhere in the forums?). I've moved this to the actual Discussion area.
As for the topic, I can't see it being "the end" for all other FPS games. There will always be something else come along that will become "the chosen one" of gamers. They're a fickle bunch and can move on at any time to the next "big one".