The thing with cats is that people think they have a cat problem when in fact they have a rodent problem that the cats keep in check. Then they go, eradicate t

The thing with cats is that people think they have a cat problem when in fact they have a rodent problem that the cats keep in check. Then they go, eradicate the cats, and wonder where the rats and mice come from. It's called the "mesopredator problem" in ecology, and it's a massive issue when you want to restore ocean islands for birds.