that conclusion is only really cemented after the Ohio State semifinal. two losses to Georgia could simply be Kirby/Saban coaching tree/got Sark's number, etc. probably not but more importantly ...
...fact is, you change THREE plays the last two years that have nothing to do with QE, QE leads Texas to 1 if not 2 national championships. That's much closer to a real fact than AM takes Texas all the way last year. a Blue fumble against WA, a mental lapse by the defense at the half of tOSU, AD doesn't run a lazy route, wingo isn't shoe string tackled against tOSU.... and yes more than a few QE plays could have changed the trajectory too but the fact remains we were super close twice and it wasn't clearly QE's fault, there are clear plays that had they gone our way, we're in dynasty mode.
so while I might agree with everyone on what coulda, shoulda happened, it was not insane for Sark to stick with QE.