I like the Mack Brown parallels you drew. Mack is an interesting case study, b/c on one hand, he was a better coach than we give him credit for....but at the same time....he still wasn't an elite coach. Had OU rolled the dice & hired darn near anyone but Stoops, Mack probably has 5-7 conference championships & 2 NCs. Mack was a tremendous recruiter, but merely a "pretty good" gameday coach. And it's why great gameday coaches, like Snyder & Stoops, had his number, despite Mack having a talent advantage.
That feels a lot like what we have with Sark. He's a dynamic recruiter that doesn't seem to shine as bright on game day. The one thing that gives me pause in accepting the "he is what he is" label though, is the fact that he spent 3 seasons with Saban, winning 1 National Championship. If you read up on Kirby Smart's program at Georgia, people that have spent time in Saban's & Smart's say you can't tell them apart. Smart has perfectly replicated Saban's routine, regimentation, organization, process, etc. And, that approach has put UGA in the driver's season to potentially win back-to-back NCs. It's very possible that, despite seeming not to be a great gameday coach, ala Mack, if Sark implements enough of what Saban does, that he can build a program that wins b/c of the process & system, rather than the genius of the HC himself.
Outstanding article, Ketch. Topics aside, I really thought the writing was excellent.