Countries for sure aren't like "Let's have a population of rabid stray dogs. Wouldn't it be nice". Although they can be useful as they get rid of animal carcass

Countries for sure aren't like "Let's have a population of rabid stray dogs. Wouldn't it be nice". Although they can be useful as they get rid of animal carcasses on the streets. But they have to be taken care of, else there numbers become overwhelming and they might pick up and spread rabies.