Coaches who went to COOL clinic

I was watching the presentation by the Texans O-line coach and I saw an intersting play where they blocked their outside zone by having the fullback on the Mike and the center backside guard work the shade to the Will (over front). guard alone on 3 and TE and tackle work 7 to Sam. He sounded like it was just a change up. It worked well because it was a 2 deep look but I don't think it would work if the strong saftey came down.

Did he explain what his reasoning was for doing it that way?

thanks