Youtube did not advertise itself as a site for illegal content. The advertised and most popular way to use youtube was to upload content you made yourself. Henc

Youtube did not advertise itself as a site for illegal content. The advertised and most popular way to use youtube was to upload content you made yourself. Hence the name YOUtube. With Airbnb, there is no way to use the service as a host without violating the law in lots of jurisdictions. The service literally exists to glean some profit off facilitating illegal hotels.