> I don't think performance has got much to do with tinkering. Yes, in general, but also there are cases when you realize you can, idk, parse a CSV file in 0.2

> I don't think performance has got much to do with tinkering. Yes, in general, but also there are cases when you realize you can, idk, parse a CSV file in 0.2 seconds instead of 200 seconds. That kind of improvement unlocks a new level of tinkering.