a) Airbnb needs to recognize the risks they are creating for guests - this move is purely a reactionary response to placate public perception about the risks to hosts. They do not care about safety so much as the supply of the product they broker.
b) $50K is a pretty good prize for anyone who can game them on this one.
The "apology" says: "There have been a lot of questions swirling around, and I would like to apologize and set the record straight in my own words. In the last few days we have had a crash course in crisis management."
If crisis management is something you're only just now learning about, in this highly risk inducing business, what does that say about your founders, investors, and your investors' funders?
I honestly now wonder if there aren't already any guest victims who we haven't heard from because, well, they're gone. I seriously wonder if this company hasn't already killed someone.