Wow! This is an information-dense article. Where to start when so much is absolutely true but some is just speculation?

Right on.  Human ingenuity is endless, but money is not.

We used to have a whole industry dedicated to building and maintaining horse-drawn vehicles. How many wheelwrights and blacksmiths do you see around today? Automation is the same thing and has been going on for a very long time. One coal miner with a machine replaced several and added jobs in designing, building, and…