Society has rejected the mass production of items. Looking back on Pre-(H)istory, we see that when efficiency is too high, mass social disparities emerge. It is better for a craftsperson to work at making a single item, and for the price of that item to be higher. The crafsperson gets to keep the fruits of their labor, and in turn may buy other high quality items. This is repeated across all sectors.
A system needs inefficiency in order to better spread its resources. Too much efficiency begets a society tilted only towards those that can exploit that efficiency...
-Writings on Society by Queen Augustine