Earlier quoted context omitted.
Please explain how (1) is relevant to the complaint at hand.
It's not, except to the extent that it might be hard to feel sorry for someone who is taking unfair advantage of his landlord and cotenants and then complaining about the poor customer service that he was provided when doing so. Again though: it's not. It's a mostly orthogonal point.
The morality and ethics behind AirBnb is far from clearcut. The landlord-tenant relationship is also not so easily moralized - I'd take a flying leap off the high horse unless I knew more.