The over-all point is that new technology will not necessarily replace old technology but it will date it. By definition. Eventually it will replace it. But it's like people who had black-and-white TVs when color came out. They eventually decided whether or not the new technology was worth the investment.
Life is a corrupting process from the time a child learns to play his mother off against his father in the politics of when to go to bed he who fears corruption fears life.