Why.. the offense didn't struggle terribly without him.
Second.. He will get another head gig in college or might even get a look elsewhere in the pros..
If we are going further away from a true ZBS.. it doesn't make sense to bring back a guy that is well schooled in it. If we are staying our blended scheme of hodge podge.. maybe.. but then tip it back towards the cut and true one step and go scheme.
"The oranges are dry; the apples are mealy; and the papayas... I don't know what's going on with the papayas!"