Robert A. Heinlein pointed out, long ago, that anything conceived or built by a human mind still has built into it the limitations of the human mind.

My paternal grandfather gave up a peripatetic existence (Missouri, Texas, New Mexico, then Oklahoma) of rural subsistence farming about 90 years ago and started fixing dilapidated automobiles to re-sell, sometimes taking as trade-ins horse-drawn wagons and buggies . . .