You're right, he didn't play. But he was a freshman playing in the oldest league in the country on a team packed with veterans that, up until the last two games of the season, was having an extremely successful year. There was an obvious path to legit PT next year as well. I wasn't blown away that he transferred, but I wasn't expecting it in the same way I was Gaffney.
That said, I'm not looking to argue about something that is subjective here. If you object to my opinion that Diggins transferring was more surprising and disappointing than Gaffney transferring, that's totally cool with me.