It's not a given that Horn would bolt for the nba, and also not a given that we'd hire Otz after Horn leaves. I trust an nba coach with our current roster over handing the reins of a top 10 team to a question mark.
With this team, I would be more worried about the chemistry and continuity. Otzenberger was charged with scouting opponents and preparing and implementing gametime strategy against our opponents when he was an assistant. IMO, that sounds like an awful lot of responsibility. And a lot of coaching.
Tell me about all the NBA coaches with NO college coaching experience who have been successful after leaving the NBA for a college team.