Microsoft’s operating systems had never been built to resist the focused hatred of every alienated hacker in the whole world. No single system could ever bear up under that level of focused intellectual assault. It was like trying to save Saigon when everyone in the whole world was Viet Cong. There were not just dozens of holes in Big Bill’s code but thousands of holes. The patches of the holes wrecked the code, quite often. The patches of the holes had holes. Some of Microsoft’s holes were unrepairable even in principle.