That discussion doesn’t track the change: the discussion is around unreviewed content and is quite nuanced, but the change actually is far stricter, extending to any use of an LLM, reviewed or not.
As it stands, a potential contributor couldn’t even use basic tab completion for even a single line of code. That’s… certainly a choice, and one that makes me less confident in the project’s ability to retain reliable human contributors than would otherwise be the case.