Garrett might not like it first. Also Norv runs the closest thing to Coryell's offense. We don't have the personnel to run it. We can't even run a variant well. OTOH I believe Norv could run Jason's offense but that goes right back to not having personnel. He could help game plan and call plays but I don't know what that gets u.
Did you know there are only 5000 Snow Leopards in the wild now and they are confined to Central Asia? However, the effective global population (those likely to reproduce) is less than half that number.