Humans working on farms with tractors are more productive than humans working with oxen to till land.
Accountants working with computers are more productive than accountants working with books and a hand-held calculator.
There will be a Pareto curve of distribution.
If we want to reduce the cost of things, we have to reduce the cost of inputs and make the markets transparent (while holding a base level of quality and safety).
This is why TVs and electronics become cheap while healthcare costs balloon out.