You are short crediting Notre Dame and Iowa, and pining for days gone by jsut like me.
However, look up his old quotes, not ones from solely a Nebraska sources. I'll help. He said "he learned football from Bob Devany, organization from Hayden Fry, and motivation from Lou Holz, and each one values establishing the run, passing for balance, and sound defense".
The revisionist quotes and insinuation all things stem from Nebraska is not true, and not what he said many times as he was gaining fame as he turned wisky around. Now, you get a pass because that is how Nebraska media wrote when Nebraska joined the B1G. But there's the rest of the story for you.