Well, Airbnb customers are deliberately choosing to use a service that flaunts and evades every kind of regulation.

If you use a hotel or a taxi, there's plenty of legal recourse should anything bad happens, because they don't operate in a gray area, there are specific regulations and oversight for them.

Hotels can ban guests.

Isn't it extremely rare for a hotel chain to ban a guest worldwide, as opposed to one individual franchise doing so just for that one property?

It's very rare and I'd not be surprised if many aren't setup to do it at all.

Hotels have elaborate procedures to protect themselves; you never see it unless you're really acting up.

They can't do anything illegal

And I think the argument is that many of the things they do today that are legal _should not_ be so.

Of course you / they / we can.

And do.

And arguably should from time to time.

Laws are, infact, not the word of god.