I think the trusting-strangers thing actually comes down to two questions: 1. The collective level: are there enough people who trust strangers that Airbnb can

I think the trusting-strangers thing actually comes down to two questions: 1. The collective level: are there enough people who trust strangers that Airbnb can make tons of money, and help out those people? It looks like the answer is yes. 2. The individual level: are you okay with trusting some random strangers from the internet? I think you probably should be -- people tend toward decency, overall -- and it's possible to change the way you feel about something with a little effort.