Because they need tooling in the next few months and not in 5 years.

Ofc its hype-based, when they say Claude writes Claude they mean Claude types most code, but the product decisions are made by people.

AI atm is not good without proper steering and most importantly AI doesn't decide what to build.

I'd wager astral team won't end up typing as much code for Codex, but they sure will architect and design the way people will interact through codex with a lot of dev tools in the ecosystem. That's what I would pay for in their shoes, access to their vision and already proven track record to design good tools.