What isn't going to fix thing is hiring new coaches every off-season.
Completely agree. Which is why I wish Riley hadn't whiffed so badly out of the gate on the defensive side of the ball that everyone of his hires with the exception of Bray has had to be replaced prior to the kickoff of his 3rd season. Those guys didn't leave for better jobs either. His entire defensive staff was composed of duds which is why we are currently overhauling rather than fine tuning the defense.
At least he recognized the deficiencies. Time will tell if his second defensive staff is better than his first.