In my experience in scaling applications, I&#x27;ve noticed there is a very big difference between measuring actual performance in production and taking a look with an open mind, and making wild-ass guesses.<p>You don&#x27;t have enough data on other people around you, or even how they view the world, or feel about the world. It&#x27;s like taking a wild-ass guess, and being proud of it.<p>I don&#x27;t really care much for following sports teams either. I used to turn my nose at it, as if I am somehow a superior person for not giving two shits about who is winning. One day, I read Michael Lewis&#x27;s Moneyball and flipped through Blindside and realized I had been an idiot. I still might not care about which team is winning, yet there are a lot of hidden depths to sports. How many other things have I missed by not looking with an open mind?