This whole #BambuLab 3d printer fiasco reeks of engineers who don't actually know:
History: This reminds me of the time before HP LaserJet III compatibility became the sort of de facto standard because of the sheer quality of the printers. The important part there though was it was only an instruction set to operate the printers, and the real money was being made selling devices. The key difference to now every company wants to make shitty subscription devices.
Available tech: Mutually authenticated TLS has been possible for years, before the company was even founded. There's essentially zero reason they had to use their hodgepodge patched together with bailing twine and spit approach to interacting with the device. But if they did it another sane way, it'd be doable to expose all the functionality to the LAN and their "cloud" soon-to-be subscription options wouldn't be viable.
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