Sometimes you got to hurt something to help something. Sometimes you have to plow under one thing in order for something else to grow.
For instance, why are we terrorizing this country, leading with murder and mayhem, when crime is actually on the decline, as somebody, as somebody mentioned?
What happened in the past that was painful has a great deal to do with what we are today, but revisiting this painful past can contribute little or nothing to what we need to do now.