Earlier quoted context omitted.
> low-impact As one of the 10% of humanity who has a severe allergy to cats which causes me to be unable to breathe, break out in hives, and weep incredible amounts from every exposed mucus membrane, I had to laugh at this. And cry a little. Y'all have no idea how high impact cats are. Fel D proteins seem to trigger immune responses across a broad range of mammals. They are homologs of slow loris venom which also cau…
> Rat traps are less expensive, more effective, less prone to killing things other than rats, sanitary, don't have to be fed, don't need a litter box, don't cause allergies, don't need shots, medications, or vet visits, and don't have kittens. Far lower impact and much less work than a cat. Are they? If the cats are eating rats, then they don't really need to be fed. If they're allowed to go outside, then you might n…
Rat traps work 24/7, unlike a cat which sleeps up to 16 hours a day.
Cats must be spade or neutered, an additional cost and effort lest they contribute to the epidemic of semi-feral cats.
Outdoor domestic cats kill an estimated 7 - 26 billion wild animals yearly, most birds, 3/4 of which weren't eaten when studied.
Outdoor cats especially need flea treatment, else they'll bring them into the building. Having dealt with a flea infestation, trust me you don't want to. Involves poisoning your whole dwelling for a few days at significant expense.