well, provided the machines had succeeded in their mission to go back in time and eliminate the mother or John Connor himself, John Connor wouldn't have grown up to be a threat and therefore they would have no reason to go back and kill him. And in that they create and endless loop of time and space ripping apart because they created a paradox, and the world ends for both man and machine.
Really? Good to know. In knowing that, I now changed my future and will never leave until I'm dead. Did I die? .>
Okay I'll leave now. My being here bothers you. "Stupidity often bothers the stupid" I remember this quote from somewhere, even if it's vague. That's how I remember it anyway