> Better is to critique the actual PR itself. For example, needs more tests, needs to be broken up, doesn't follow our protocols for merging/docs, etc.

They did: the main point being made is "I'm not reading 13k LOCs when there's been no proposal and discussion that this is something we might want, and how we might want to have it implemented". Which is an absolutely fair point (there's no other possible answer really, unless you have days to waste) whether the code is AI-written or human-written.