Let me begin by saying that I have been a host since 2011. I find the practice of encouraging hosts to lower their price with the suggested competitive pricing is attracting bad clientele.
Last year an AirBnB guest booked a room at my BnB. I checked his profile, he had no picture. I was concerned and searched his name on google and discovered that he had stabbed a woman in a nearby town and had an extensive record. I refused the reservation. Since then I have checked out each and every AirBnB guest due to this obvious lax in security.
Then another AirBnB guest came to stay with me for a month. He appeared to be legitimate and was the head of a Non-Profit. He prepaid but wanted to extend for another month paying me with his wife's credit card. To make a long story short they defrauded us and it was later learned that their Non-Profit was under investigation in their home state.
The new policy of Not Sharing Guest's Names is security issue for me and all hosts. I will, after 8 years, no longer host under these conditions