It has an impossible task of predicting when the product will be unfit for its intended purpose.
There are multiple factors that influence, for instance, your jar of peanut butter. From cross-country transportation to the neighbours in your kitchen shelf to even the metal of the spoon stored in it.
How then does one determine a practical expiry date? Isn’t the printed one an irrelevant average?
It turns out, we have naturally developed a sniff and taste test to determine the actual expiry!
This lends an interesting metaphor.
What if we tested our assumptions, default approaches and practices instead of merely accepting them at face value?