I think the NIU loss was a great asset, in hindsight. He seems to have learned how to mentally get the team ready for every challenge and a killer mindset.
Hiring good assistants is key, and he seems to have gotten that down. Not to mention his recruiting acumen.
Yes, he still has room for improvement, but if you look at the strides he's taken, it's really a great sign.
A coach who is intelligent, passionate, committed and willing to learn from mistakes is invaluable. We've got all that in Marcus Freeman.