I don’t think that is necessarily out of the running yet. OS development is expensive and low profit. Commodification may be inevitable. Control of the shell and GUI, where they can push advertisements and shovelware and telemetry on you, that is profitable.
So in 20 years, 50? I predict proprietary OSes will die out eventually, balance of probability.
I’d bet transporters would need constant monitoring and maintenance. They screw up often enough. Not sure I’d ever step into one of those deathtraps, even if you ignore the whole inherent murder problem.