You can’t ignore scale of bias here. CNN and Fox don’t come close to canceling each other out because Fox is way to the right and CNN is more subtle. -2 + 4 i

You can’t ignore scale of bias here. CNN and Fox don’t come close to canceling each other out because Fox is way to the right and CNN is more subtle. -2 + 4 is not zero. Similarity Fox viewership is 3 million viewers in primetime vs CNN at 1/6th those numbers.