Interchangeability and versatility unlocks so many styles of play for your team. It's not the end all be all, but it helps you handle adversity so much better. It presents so many different matchup problems for the other team because they have to worry about so many different things. You can have long and athletic guys but if they're dummies then you're in trouble. What the Warriors have is amazing versatility, but also versatility in their basketball IQ.