How does a democratically elected city council not "have business" regulating things like zoning? If they had wanted those houses to be operated as hotels, they

How does a democratically elected city council not "have business" regulating things like zoning? If they had wanted those houses to be operated as hotels, they would have been hotels. The citizens voted for a council that would impose regulation on AirBnb and they did. This is democracy working as intended.