That's not really what Marxism is about. Marxism is about the workers taking over the one big factory from its owners, not about someone inventing an efficient

That's not really what Marxism is about. Marxism is about the workers taking over the one big factory from its owners, not about someone inventing an efficient cheap small-scale factory so that all the workers go home and become small businessmen. Democratisation isn't really the right word either, of course. It's more like the Industrial Revolution in reverse -- increasing technology shifts production back from huge centralized facilities to one-man operations.