I agree with your overall point of not being able to ever win with some folks. There is always a reason to hate.
But in fairness to your last stat, the Big Ten West is so putrid in offense across the board that it does not surprise me that it produces some of the best defenses. Its not hard to have a good defense when you are playing Iowa, Nebraska, NW, and Minnesota every year.
Throw in 3 cupcakes in the preseason and statistically you look pretty good given who you are defending against. As I have argued elsewhere, Phil Parker would not be near the genius if he had been in the East or the SEC West the last ten years. But, it is what it is and we have been in the West, so.....