This might read a bit awkward.
An established norm only last a generation!
The reason I am saying this is because there is only a single generation that knows differently or wants to change it hereafter. Could it be we turn numb or blind to changes and take them for granted without giving it more thought. Change is good but should be get accustomed to it so quickly?
Pretty quick we forget it was a different thought or idea.
Ranting Crow 