I hear ya. I'm all about inovation and evolution IF it's at least comparable, if not better than the established way of doing things.
He did make mention that most of the top rushing teams in college and the pros run zone blocking (Wisconsin, Iowa, Minn in our own League). I'm not an O line play aficionado so I'm just taking him at his word.
Scott also talked about lack of nastiness in the presser. Who knows, maybe we if we taught our guys to maul the guy in front of you and steal his soul on every play, they would be more, well...nasty I guess.