There's no good reason AirBnb could not offer proper support. Showing contempt for your customers like this is a choice.
Which is not to take anything away from them but customer service is pretty much baked into their model.
Famously, Chewy. Amazon (used to?) have a reputation for being very pro consumer. Zappos.
Obviously, those are all companies that grew because if I knew of fast growing businesses that were sustainable and likely to succeed I would be investing other people's money fulltime.