Well, rails get made as well, I think the point was that a lot of things require reinventing knowledge that was previously known.
Or phrase it as reusing exiting tech because "it is cheaper" ending in having to reinvent it because all the people who designed it and made it have gone.
Or phrase it as reusing exiting tech because "it is cheaper" ending in having to reinvent it because all the people who designed it and made it have gone.