I'm loving this conversation. In fact, your posts are the subject of our first article at our new quantitative analysis site: www.steelcitystats.com
What we have learned, through regression analysis and statistical analysis of NFL means and standard deviations is that, the Steelers didn't lose division games because of pass/rush distribution. Rather, they lost the division because of abysmal QB play in key games. I encourage you to check it out.