As much as I love the Unixes, I think the only way forward is to either start a Unix-like from scratch without caring about ports or compatibility or cross platform, or just making an entirely new architecture altogether.
It would take a couple years for a team of a few dozen very talented programmers to get a brand new OS off the ground to a semi-usable state, if they're compensated well and work full-time in good conditions and with a clear and solid plan and architecture in mind. This would save the software world in more ways than we can even imagine. But going into this great reset, one of the most important things we should do is gatekeep.
Computer science/engineering is a science like any other, but we haven't held our professionals go even near the same standard as other STEM fields; we've accepted and tolerated mediocrity for way too long. That's the reason we have a macro language to generate scripts to build the browser or whatever the fuck, and why we have React in the terminal and React in Windows and React in fucking everything; why everything is so slow and bloated.
We need to keep finance bros out of tech, keep managers and HR and marketing and anybody else out of tech. Keep web-devs out of tech. Keep vibe coders out of tech. Keep incompetent people out of tech. We're in the digital era now and the current digital world is ruled by slop and incompetence.