I'm glad you mentioned it and TFA briefly mentioned waterfall. The second graph shown in the article with documentation overlapping the dev cycle, it's like the worse of both agile and waterfall. It's supposedly real-time waterfall.

Normally waterfall works where the scope is extremely-well defined and articulated in design plans. Which shortens dev time because prior to AI code was mostly deterministic. Here we have to do waterfall level of documentation while iterating on a non-deterministic solution (code gen) to non-deterministic requirements (per usual).

It's bonkers.

I still think the technology is cool though.

And to answer the questioner.. Have you worked with a PM? Most of the ones I've worked with try to be simultaneously in charge yet not responsible for anything. Validating something implies skill and responsibility.

Then they're just bad PMs and don't deserve to have the job. That can be said in any profession, devs or lawyers or doctors who blindly accept LLM output without review are bad employees.