Environmentalists rightly point out it is very difficult to manage a complex ecosystem. But they conveniently ignore the fact it's even more difficult to manage an economic system — especially one thrown into disarray by environmental regulations.
Local governments think the key to "smart" downtown development is to restrict parking, and force people to take a bus. In reality, people just decide to avoid downtown, thwarting efforts at development.
Both left and right now repeatedly push a myth: the myth that governments have been taken over by laissez-faire hard-core free-market economists who have turned the world into a landscape of untrammeled capitalism.