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Controlling invasive species is not just some sentimental thing about preserving the purity of nature. Invasive species can massively destabilize an ecosystem- wiping out huge numbers of other species, and destroying natural resources humans depend on for economic livelihood. It is hard to predict the severity of the end point, so best to head it off as aggressively and early as possible.

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I'm not necessarily opposed to eradicating invasive species, but natural ecosystems are seldom stable. Populations boom and crash all the time for other reasons.

That sounds to me like saying "there's no reason to put out this kitchen fire I accidentally started in my house, since lighting sometimes starts fires naturally."

Natural ecological events can certainly be difficult for humans to deal with, and even cause mass famine, etc. - but we have many more recent cases of ecological catastrophe caused by humans.

factors causing immediate collapse are both extremely rare and tend to be uneven across species. These snakes have no natural enemies in Florida

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