Again....
There. Is. No. Support. From. Airbnb.
We don't use them for anything, except in extreme cases, and only to report something extreme. We never expect any resolution or tangible action.
We can, however, be guaranteed flowery, complimentary, snd disarming responses.
But that's not what I need. I need results. Airbnb support isn't the way to get it. You have to (wisely) use your own facilities to achieve results.
Prevention is the best cure. Do your best to scare the undesirables away before they book. I don't care if Airbnb likes it or not. They're not the ones suffering the burdens of (ever increasing) undesirable guests. Reality will eventually sort things out for them. Even if it's painful.