It's not Airbnb's responsibility to enforce the law. Full stop.
It seems premature to claim whether Airbnb is subject to more laws like this or not. Many cities have enacted new regulations or sued Airbnb over failures to comply with existing laws, and it seems like a complex legal issue still in the midst of being hashed out.
[0]: https://www.sfchronicle.com/business/article/Airbnb-loses-th...
https://www.pacermonitor.com/articles/2018/08/02/airbnb-host...