They aren't giving up on him, but you can't just force-feed him minutes he isn't prepared for and expect that to magically turn him into a star. Last year he was a D-League talent who wouldn't have seen the floor for a team with actual NBA depth (think Fab Melo in Boston). In bolstering the frontcourt, Cho's putting Biz into a role (3rd/4th big) that's more in line with where he is in terms of development but is still, quite honestly, over his head. Biz is a long-term project. He'll be really good at some point, it's just yet to be seen whether it's in the NBA or the Spanish league.