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this post was submitted on 04 Aug 2023
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Asklemmy
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China's Four Pests campaign is a great example. As the campaign says, China had a bit of a pest problem. One of these particular pests was the sparrow. The government decided it would be a great idea to launch an "exterminate sparrows" campaign. The only problem was sparrows ate other pests such as bedbugs and locusts.
In short, they sucessfully curbed the "sparrow problem" and replaced it with a "locusts and bedbugs problem". This ultimately upset the ecological balance and further lowered the rice yields. It was a complete disaster
I vaguely remember reading about that when I was younger. I don't know if it's true, but this is what I read.
The peasants and farmers were made to stand in the fields throwing stones at the sparrows, preventing them from landing. The thinking was that the sparrows would die from exhaustion, if they weren't killed by the stones.
What actually happened was that the existing crops were either trampled or broken by the stones, and as the farmers weren't working the fields, nothing grew the following year either.
Like I say, I have no idea whether it's true, or if it was just 80's anti communist propaganda, but it's stuck in my head ever since.
The "why don't we just..." school of public policy.
I'd be shocked if they could actually throw that many rocks, but the basic idea is that the policy didn't work as intended, and that's correct.