Yes it is a word, and yes it is a problem in any society. Spain for example is the KING of duplication and could save billions if they got rid of it.There is a tremendous duplication or even triplication (is that a word?) of effort and data collecting.
Well that system has not taught the children that the Imperial Japanese Government were butchers.. just saying. But what is the Japanese system exactly?In the end, I would favor a national system like the Japanese have.
So it is not the department it self, but the many layers created because of the way the US was designed... Fine take the states and local governments totally out of the loop, problem solved.That would insure all that you and I want and the duplication at the local level would be eliminated. The conservative goal of cutting costs would thus be achieved. The noble goals you listed would also be achieved.