I'm still not following the it "should have been handled better" argument based on the fact that Tate is transferring and the team is in limbo regarding the waiver. There's so much that is going on that we don't know in terms of how it was handled that it, frankly, may have been handed exceptionally well. So well, in fact, that the way it was handled caused the dramatic turn from wanting to compete to entering the portal. But it seems as though Tate's transfer and being in limbo is the basis of the argument for mismanagement. Correct me if I'm wrong.
As far as my speculation in all of this? My money is on a mutual parting of ways based on a change in direction of the offense and Tate being told that it would be a winner take all competition for QB1 from the time they returned to campus until the end of fall practice. This, paired with (again, my guess) him being told that he and Baldwin were neck and neck based on the direction they are taking the offense, regardless of the potential for a transfer QB with a waiver, may have opened his eyes to the very real possibility that even without Fields getting the nod from the NCAA, he may have fallen behind Baldwin. That feedback, along with consulting with his family, and everyone agreed that it was in his personal best interest to find a new home if he wanted to be QB1. If my speculation is correct, there's zero mismanagement by anyone. The communication was timely, honest and fair. Furthermore, it explains the swing from the initial tweets to transferring.
Now, it could very well be the case that the coaching staff, after seeing some of Tate's twitter reactions, gave him the cold shoulder due to his potential to become cancer in the locker room. However, I'd be very hard pressed to believe that would happen for no other reason than the impact such a move would have down the road on other recruiting efforts. Stuff as big as this, and this is pretty big, do not happen without very direct and open communication between coaching staffs, players and the families. If he was frozen out by the staff, I promise you, we'd know about it by now. Especially considering this payer's propensity to get on the twitters to make a scene.
Finally, and I can't recall who said it here first, but the issue of a divided locker room is a pretty big deal. If you want any evidence of how that plays out, just go back to see how things went when Pryor took over. To that end, one could argue that, in light of the potential for disruption in the locker room, the staff actually didn't mismanage anything at all. Perhaps they could be given credit for actively managing the situation in a way that has the team's best interest in mind, no? I guess the assessment of mismanagement comes down to the criteria you're using to define it.
TL; DR: Leveling judgment on how something was handled without full knowledge of the entire picture and what exactly was done, is weak sauce.