I think you're arguing with the mirror. I said it's like [the fallacy of] thinking a road has no value ... And I see a lot of businesses selling stuff like 3d

I think you're arguing with the mirror. I said it's like [the fallacy of] thinking a road has no value ... And I see a lot of businesses selling stuff like 3d printers who use open designs and contribute changes back to the community. Lock-in is a choice people make.