That's not moving the goalposts, those are the goalposts. Anyone can make a car that loops round a racetrack by itself, on a good day (well, not anyone, but it'

That's not moving the goalposts, those are the goalposts. Anyone can make a car that loops round a racetrack by itself, on a good day (well, not anyone, but it's relatively straightforward). The challenge is making it robust against "the real world".