I fear that you might be rooting for another team, then.
Let's look at what we know:
1) Cochran, the successful starter from last year, was given a full evaluation from the coaching staff through Spring ball and through the preseason camp. Despite your belief to the contrary, the coaches felt like they had QBs 1 and 1A; to the point where they labeled them as such in the press conference and played them that way in the first game.
2) Whitmer, who so clearly was the best QB on the roster after Cochran left, was constantly giving up series not only to Boyle but also to Foxx. Jimmy is spot on with the fact that we probably don't beat UCF without Foxx's superb game, but it is what it is.
3) By his own admission, Diaco wasn't even treating the non-conference portion of the season (or much of the season, for that matter) as a win-or-lose proposition. He treated it as a building process, getting as many players on the field as possible. Almost as if it were a 12-game tryout for 2015. That may have meant less time for Whitmer since he was a senior, but likely would have meant plenty of time for Boyle.
I still believe that Diaco can turn the ship around. He has a lot of positive energy, he can recruit pretty well, and he has assembled a quality coaching staff for the most part. But the way he treats QBs.....well, let's just hope he fixes how he treats QBs...