I'm not promoting anything. I'm just pointing out what happens as labor costs increase. If you have a lot of grass to cut, it may be worth your money to hire a lawn care service at $50.00 a cut. As time goes on and the service keeps increasing the rate until it's double of that, you say screw it. For the amount of money I blow on lawn care in one season, I can buy a nice new lawn tractor and do the damn thing myself.
Business works the same way. When labor costs increase to the point it's cheaper to replace people with machines, that's what companies will do. As I mentioned earlier, we don't have the cost of living other places do, so people can work for less money, and we don't have any totally automated restaurants here yet. Human labor is cheaper.