They’re there mostly because of safety regulations, not to serve drinks. https://aviation.stackexchange.com/questions/1872/under-what-conditions-is-a-flight-at

They’re there mostly because of safety regulations, not to serve drinks. https://aviation.stackexchange.com/questions/1872/under-what-conditions-is-a-flight-attendant-required-on-an-aircraft https://aviation.stackexchange.com/questions/1872/under-what...