The other commenter explained that the policy was applied as reciprocal, "The declaration of no-LLM was done so you are not judged yourself by an LLM."
Basically, they didn't want LLM near their own paper's review.
Although, a bunch of LLM researchers basically saying with their actions "Don't judge me with an LLM" is particularly ironic. Doubly so when caught using the LLM for the task they, themselves, want to opt out of.
