The Worst Vendor: The U.S. Government

Forbes explains why government doesn't work:

One might argue that the public holds accountability over individual Congressmen through the power of the ballot box, but this is an illusion given that only 4% of incumbents fail to get reelected to the US House of Representatives in any particular election while new businesses fail about 75% of the time. The public’s ability to hold monopoly organizations like the post office or the DMV or the state liquor stores run by career bureaucrats accountable is even more limited.

You'll want to read the whole article , twice.