I'd concur with the folks who say that 'shocked' is over-reaching. More like surprised the owner went straight for a restraining order rather than having a chat with him at their next meeting. If I were this guy's landlord I'd probably talk first, sue later. But that's just me. It is an interesting (and good) counter story to the one of an owner having their house trashed.

That the market is expanding is not surprising. There are a lot of empty bedrooms around. We've yet to see someone doing this with their foreclosed property but I'm sure that will happen too. Like Ebay, AirBnB seems to have a 'let the user do what they will and let whomever thinks they are harmed go after them.' A good example of this was the way software companies responded to people selling old copies of software on eBay or enterprise gear that normally requires a service contract. It may start a sort of 'race to the bottom' for some folks, we'll have to wait and see.