So you agree, the activation servers going down will be the end of every XBONE game ever made, hurray for convenience and selling out on basic rights.
Well, they can patch out the DRM check, probably, but if the game requires any kind of online functionality then it is guaranteed to lose some or all of its features. This is reality. Do you think you'll be able to play Killzone and Uncharted online ten years from now? Games are going to become more and more reliant on online features.