Why would you want to burn his redshirt in a year that we are going to be mediocre at best? That would be crazy...no...that is just plain stupid!
You are quite right. Wisdom says that NU should be playing for the future. This is why either Witt or Lee better see a lot of action this year so as to equip the team to better compete next year. As for this year, having Ganz 98% of the time versus 70% will likely not make a differnce in record (a game, maybe --- who knows) --- but next year having Witt/Lee in 30% this year versus 2% will mean a great deal to the record.
This is a long haul process. Rebuilding takes a multi-year plan. Too much short sightedness and you have problems. Save the shirts whenever possible. Play youth now.