NFL

They're more focused on trying to emulate Bill and the Patriot Way without fundamentally understanding their players and the situations they're coming into.

You don't build a culture by ripping from what you came from and injecting it. You examine your environment, identify those key concepts and beliefs that are core to your group, and pull from your past experiences to build something greater.

That's easier said than done, but it seems like a lot of coaches that fail don't ever do that and just want to mimic what they come from.