Original from Signal v. Noise: It just doesn’t matter:
(Please forgive the quoting, I hope I don’t take anything out of context.)
My favorite answer to the “why?” question is always: “Because it just doesn’t matter.” I think that statement embodies what makes a product great. Figuring out what matters and leaving out the rest.
The best designers and the best programmers aren’t the ones with the best skills, or the nimblest fingers, or the ones who can rock and roll with photoshop or vim, they are the ones that can determine what just doesn’t matter. That’s where the real gains are made.
Most of the time you spend is wasted time on things that just don’t matter. If you can cut out the work and thinking that just doesn’t matter you’ll achieve productivity you’ve never imagined. It’s there if you just don’t pay attention to the things that don’t matter.
Building a model means ignoring what doesn’t matter. A good model explains what matters by ignoring what doesn’t matter. And explaining why.