You go crazy celebrating an NBA championship, Steve Kerr likes to say, not because it’s easy but because it’s so damn difficult. Well, that’s the theory.



You act like silly kids because you had to work through so much to get there and because any little slip up at any critical point could’ve meant the end of it all.



“That’s why you pour champagne on each other, because it’s really hard, and it’s supposed to be hard,” Kerr said once again earlier this month. “The fact that it is so difficult brings out the best in you because you have to be on edge and on guard.”



But last year, the Warriors were outlier champions — their historic 16-1 stampede through the playoffs made it look relatively easy because it was easy, at least relative to their previous title journey in 2015 and almost every other championship run in NBA history.



They celebrated 11 months ago. They went nuts. They...