I was more thinking of the PETA-style can’t-harm-one-animal-hair issue. The people who get upset if you trap rats that are eating native birds; that kind of thing.
In rough order of plausibility:
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End human-caused human suffering
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End human-caused human-or-animal suffering
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End anything-caused human suffering
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End anything-caused human-or-animal suffering














So is the original meme.