That wasn't true in the old days. "Because of the expertise, equipment, and costs of producing things on a large scale, manufacturing has been mostly the provenance of big companies and trained professionals."
So, can anyone be a Henry Ford? According to Anderson, "The digital transformation of making stuff is doing more than simply making existing manufacturing more efficient. It's also extending manufacturing to a hugely expanded population of producers--the existing manufacturers plus a lot of regular folks who are becoming entrepreneurs."