Why zoos should not exist? - Answers Zoos page 1 - PETA 10. This argument has proved to be incorrect on several accounts. In reality, no government agency can effectively regulate or enforce the humane treatment of animals who are continuously on the road. Children who visit petting zoos often bring home more than their parents bargained for. Health officials indicate that petting zoos are hotbeds of serious pathogens, including E. coli and salmonella bacteria. Animals should not be kept in zoos. 10 of the Many Reasons Why Roadside Zoos Are Bad … Zoos should be banned More often than not, animals are being captured and taken to zoos for the mere sake of profit. Why We Need to Boycott Zoos in 2020! - Focusing on Wildlife