One limiting factor in that calculation might be not just the speed/skill of the programmer, but the number of companies with such positions available.
I assure you, human beings are not mere cogs. The sooner you divorce yourself from the notion, the better off you and any employees will be.
Class C truck pallet delivery, crane, climb, connect, organize individual or aggregated items weighing 5-30lbs. None of these is sit, type, wait, compile, ponder and I know many of them would not want that life.
However, without violating NDA I can tell you there are furnaces and "throwing" involved in making components for the Tesla Model 3.
The real question is can they learn to be a politician, or say a Burisma board member?
I would argue for the benefits of retraining people of dying industries for work in growing industries.
Does he really not know the difference between being a coal miner (which is a skilled trade, if dirty, strenuous, and dangerous) and being a furnace stoker (which historically required nothing but a strong back)?
The dewey decimal system is more complicated that the request/response cycle should be.
We invent busywork and it will take coal miners to break this farce, so bring on the coal miners!
Hindsight 2020
(just kidding, Sanders 2020)