It seems to me that Brooks is trying to make a valid distinction between pubbies who are practical and value loyalty and rats who are theoretical and only care about winning, regardless. I can't understand your hostility other than its a visceral hatred of anything associated with New York.
I've loathed this type of phony for decades, going back even to before attending college (at which there quite a few specimens, and it wasn't in New York, either).
No confusion between Brooks and Brock, or at least none here. I can't recall ever reading as much as a paragraph of Brock's writings directly, although certainly one sees them cited from time to time here on FR.