You don't appreciate the value of math, that's fine. But the analytical don't cavalierly dismiss it. Nate Silver knows a lot about probability and how to build models that assess it better than most. You don't need to know about "football" specifically, you only need the objective data the games deliver and know how to use that data to determine probabilities.
It's not perfect information, it's just objective information. Not crap. A methodology of "feelings" is crap. It's better than feelings. And should the Rams go beat the Cowboys, that positive result will be reflected in the Rams future win probabilities as well as post season probability. Especially if the Cowboys beat the Cardinals on the road tonight.