Well, as I said before, if O'Brien's objective was to have Mallett focus on the short/touch throws, then Mission Accomplished. Mallett definitely showed he's learned not to break our receivers' fingers off by throwing fastballs when change-ups are what's required.
Fact is, I/we don't know if all those "dink & dunks" were purely Mallett's reads/decision or due to mandate from O'Brien (Thou shalt NOT throw deep).
Offensive objective mandated by the HC is as important as stats put up.
O'Brien, himself, said that Hoyer's objective was to maintain a successful drive. When that was accomplished, Hoyer sat out the rest of the game.
So, again, maybe the objective for Mallett was demonstrate touch on underneath guys in such a way that they could (a) catch the ball and (b) do something with it after the catch. Savage's objective - totally my guess BTW - was to demonstrate a better understanding and command of the offense than he showed last year. Again, I think Mission Accomplished.
So I think all three guys were successful when one looks at their performances in terms of specific objectives.