At least, if they ask first, you can decline them. I just had a booking, taking two days I had forgotten to block or blocking had not worked, seemingly nice lady, never said a word during the stay and left a review how expensive my place was, far off the reality, lamenting about small space and expensive twice. Thrice in private and several times, with crazy details, in her public answer to my very nice review of her. She compared inside Paris, with breakfast and products to suburb without any of it, 40 in the suburb, 42 at my place.
Yeah, well, thanks a lot. At least, whoever reads the public anwser she wrote on her own profile, will be duly warned.
That was also a guest lamenting about her budget (in the public answer). The training she takes is in the same suburb, where she booked last time. Not nice enough to stay again? But the nice area is too expensive...
She left me 1 star, after 150 guests, I had not yet seen a 1 star review. I sent her a message formally asking never to book again. Where is that blacklist we were talking about in Host Voice ?!!!