Try processing food, pumping water, and keeping the lights on without parts.
My grandpa was a bastard, but he was a very paranoid man. He would never sell all his corn to the elevator, because he knew the elevator might blow up.
JIT works great. Till it doesn’t. A legion of MBA’s and Lean consultants are looking at their Black Swan.
They should all be sent to community service in Wuhan.
...And the Harvard degree they rode in on.
With a rusty, red-hot railroad spike.