Why Doesn't "Gibbs' Football" Work for the Redskins?

[jsarno]

Originally Posted by SmootSmack

You can make the case that that's why Gibbs is in the Hall of Fame. He came to the Redskins ready to unleash Air Coryell, then he saw what he had in Riggins and went with the "Heavy Jumbo", then he got the big play ability of Clark and Sanders and unleashed an aerial attack. And so on.

Absolutely you can. Gibbs was a great offensive mind, and I also think his defensive skills were extremely underrated. He knew how to exploit teams, and made us perennial winners. But that was part 1 of Gibbs.
So why, in your opinion, is he unwilling to make those adjustments now SS?