The parallelisms don't end there: elevators used to be much more complicated that they are now. Instead of having one button per floor they had motor controls. They literally had to be "driven" by human operators.

I don't remember if any studies were cited, but the "elevators vs self-driving cars" was studied in the Planet Money podcast: https://www.npr.org/2015/07/31/427990392/remembering-when-dr...