Most people need consistency more than they need intensity. While intensity would be running a 7 hour marathon consistency would be not missing your 20 minutes workout for 2 years. If you are not the smartest or most innovative, you can still win by being the most consistent.
What I now understand about football is that active footballers and managers don't study their opponents tactics to adapt. They live and die by same old strategies.
How did France not change strategy against Spain?
How did England repeat what Egypt did Against Argentina?