Your comparison is wrong. For 3D printers, we're still at the hobby-ist level, trying to move to consumer. That means, we're still in the Altair trying to move

Your comparison is wrong. For 3D printers, we're still at the hobby-ist level, trying to move to consumer. That means, we're still in the Altair trying to move to Apple IIe phase. During that time in computer's history, VisiCalc, WordPerfect, and Lotus123 hadn't been invented.