Unless Jerry gives McCarthy more power (written into the contract) or whomever the next HC may be, nothing matters. You could have Vince Lombardi, Landry, Shula, Belichick or Jimmy Johnson as HC, with Jerry and Stephen undermining them at every turn, the team will never get over the hump.
Coaches and players have come and gone in Dallas for 30 years. Been scapegoated time and time again.The only constant in Dallas has been the GM and EVP. Is it possible that they may need to change how they run their organization?