Yea this is economics, not tech.
We also don't build carriages as well or have an army of craftsman doing it, but it's lost/regressed because there's no economic incentives.
We also don't build carriages as well or have an army of craftsman doing it, but it's lost/regressed because there's no economic incentives.
There are a few that know how to do it by hand, but mass production has evolved.