Safety and accessibility are human needs, and regulating markets to address those needs is a completely reasonable requirement.
Forcing product designers by legislative fiat to add a cool feature you want, on the other hand, is pretty authoritarian. Nothing is stopping you from buying a general purpose computing device right now, or building one and selling it.
You’d have been pro Bell I guess back in the day. “What’s stopping you from building a competing telephone service?” Oh only not having capital > all VC investments made in any given year.
Correct - and Google's very popular, but not dominant OS will already let you sideload whatever code you like, which is a big part of why you'd have a hard time competing. I'm sorry, running arbitrary code on your daily driver phone is just not the game-changing feature you're making it out to be.
Libertarian philosophy is maybe the least compelling of them all in my opinion.