I think it was more about ignorance about how it affects the flavor of the brew. People are generally good about making a new pot after they kill it.
There are different compounds extracted at different times.
In espresso, a ristretto shot is a espresso that's been pulled short. Meaning that it has the same volume of coffee but less water. Around half the water.
Ristretto shots tend to be less bitter and bolder. It's more concentrated.