It's nothing so silly. As a counterpoint to the Examiner's piece, please read Airbnb's post about the proposed law: https://www.airbnbaction.com/an-update-for-our-community-in-...
Basically, the city wants to hold Airbnb responsible for user-generated content. The city also wants Airbnb to hand over users' personal information. Both the EFF and the Center for Democracy & Technology think that these requirements violate federal law. (Though EPIC thinks otherwise.)