because then anyone could put garbage in the receptacle.

This is when you're so capitalism brained that you're willing to shoot yourself in the foot. So much unnecessary complexity, so many ways for things to break, all just to keep a random pedestrian from throwing a sandwich wrapper in a random bin. So concerned about someone getting a service they 'don't deserve' for free that they would rather live in filth than just eat the minor cost and live in a sanitary city.