Another viable strategy might be to countersue the hotel for all of the things that were wrong, especially if any of them had health/safety implications, violations of hotel-related regulations, or constituted fraud of any form.
I.e., if the hotel comes after you with the torte-law equivalent of a flyswatter, return the favor with a torte-law sledgehammer.
I.e., if the hotel comes after you with the torte-law equivalent of a flyswatter, return the favor with a torte-law sledgehammer.