> If they hadn’t killed the sparrows we would not now be hearing about how many died. The Four Pests Campaign is a great example of humans suffering the uninte

> If they hadn’t killed the sparrows we would not now be hearing about how many died. The Four Pests Campaign is a great example of humans suffering the unintended consequences of their own stupidity and hubris. However the Great Famine had many proximal causes, and there is no evidence that simply sparing the sparrows could have prevented it.