With services written in typescript

That is a hard nope from me. In no world do I want any core part of any operating system I use directly or indirectly relying on the JavaScript ecosystem.

Aside from the performance concerns the security and longevity problems are through the roof.

And because every little bit of the state of the operating system — and therefore the applications that run atop it — is preserved, you can go backwards in time in the system and restart the operating system if it experiences some sort of anomaly,

This sounds fake as fuck. Are you writing every memory access to disk?

I cannot figure out whether this is important or poppycock

Make an operating system in brainfuck next