Yes, obviously a microkernel operating system that you can vibecode in a morning is not a salable product. But it's still a perfectly good operating system, and sometimes people need those, and they're a huge pain in the ass to write. But sometimes off-the-shelf OSes aren't good enough. Something like 50% of the embedded operating system market is still "Other/Custom".

> say review every commit to catch obvious bugs

I’m using subscription models for exactly that, better models catch more subtle bugs, and they catch them faster. It works out far better in terms of work-hours saved.

Also A/ then OAI slashed token pricing by 2x~5x on their latest models