Virtue is simply happiness, and happiness is a by-product of function. You are happy when you are functioning.
Anything that can be done chemically can be done by other means.
The people in power will not disappear voluntarily, giving flowers to the cops just isn't going to work. This thinking is fostered by the establishment; they like nothing better than love and nonviolence. The only way I like to see cops given flowers is in a flower pot from a high window.