> I’m sympathetic to your POV but the reason you should is that’s the price to keep things open.

No, it's not, and the perception that it is hurts the cause of openness.

Open Source has every ability to be better, to Just Work, to not require constant debugging. Good Open Source systems manage this. The fact that 3D printers apparently have not is the fault of those printers, not any inherent quality of openness.