Underlying announcement might be a better link:

https://godotengine.org/article/contribution-policy-2026/

I predict this won't last long in any extreme version in any significant open source repo.

Banning AI-slop is one thing, but AI as a properly used co-programmer is becoming more and more capable and shutting out well-guided AI will enable competitors who don't to edge and then power ahead.

There are obviously problems to solve here, but blanket bans (while understandable in under-resourced maintenance environments) aren't anything more than a short-term buffer.