Wynyard may not play a ton, but I do think that Cal will have him available to play this season for depth at the post in case of foul trouble or in case we have to go up against a more physical frontline that's giving Skal fits. We don't need him to be Shaq, we just need him to be able to provide some quality physical minutes when called upon.
As a fan, I view this as a team that can potentially win the national championship, so I would rather have him be available even if he's only able to help us in a game or two but we win the title as a result of that, as opposed to having him redshirt and getting 4 full years for him but be left asking "what if?" after the season. Let's face it, odds are he won't be using that extra year anyway.