[fubarred]

Economic and environmental collapse is the frequent Tragedy of the Commons consequence of unregulated human activity (markets)... Cannery Row, Easter Island, Silphium, Raphus cucullatus, extinction of N. American megafauna.

In other words, regulation is a necessary "evil" to make unsustainable behavior illegal.

[modfodder]

But is the behavior really unsustainable when it's a company with the size and power of Wal-Mart?