(Obviously, if your model has massive consequences (e.g. deciding whether to deny coverage, or grant a loan) then you should spend proportionally more time thin

(Obviously, if your model has massive consequences (e.g. deciding whether to deny coverage, or grant a loan) then you should spend proportionally more time thinking of whether your model is covering all of the blind spots that you naturally have. But the vast majority of models don’t matter that much. And that’s an important philosophy to preserve. Imagine if someone felt that every line of code you ever write needs to be perfect on the first try. Imagine trying to get anything done.)