You are forgetting one central point, customers pay Comcast to receive netflix. It is their customers requesting this data, if Comcast truely has issues with the costs of this it is customers who should be paying more, not Netflix.
The truth of the matter is this has absolutely zero to do with costs, and everything to do with extracting rent via market position.
The truth of the matter is this has absolutely zero to do with costs, and everything to do with extracting rent via market position.