5 dead in one of the worst Airbnb parties ever

The parents of one of the Orinda Victims are suing Airbnb saying that Airbnb was irresponsible and this lead to their child's death.

www.sfchronicle.com/crime/article/Orinda-shooting-Parents-say-Airbnb-allowed-14818948.php

I dont' see Airbnb or the homeowner as being in any way responsible for the deaths in Orinda. It's not as if the shooters, violent gang members, dangerous criminals, are only violent when they enter an Airbnb listing, but not at any other time.