data-mm-id=”_aociiwfcb”>The NFL returned Thursday night as the Kansas City Chiefs took down the Houston Texans, 34-20 in the season's opening game. With the return of football comes the discourse you and I both love to engage in: ratings debates! That particular discussion promises to be even more heated this season as the "stick to sports" crowd gets worked up about the various demonstrations promoting social justice the NFL and its players have promised to put on over the course of the season. It has already begun. The numbers are in from the opener, and average viewership was down about 10 percent from the 2019 season. The NFL season opener on NBC averaged 20.3 million viewers, down from 22.7 million viewers a year ago. Let the arguments about the decline commence. Th…