The thoughts behind this is published in an article on their site (https://www.airbnb.com/help/article/1405/airbnb-s-nondiscrimination-policy--our-commitment-to

The thoughts behind this is published in an article on their site (https://www.airbnb.com/help/article/1405/airbnb-s-nondiscrimination-policy--our-commitment-to-inclusion-and-respect https://www.airbnb.com/help/article/1405/airbnb-s-nondiscrim...), also the the external review and report (http://blog.airbnb.com/fighting-discrimination-and-creating-a-world-where-anyone-can-belong-anywhere/ http://blog.airbnb.com/fighting-discrimination-and-creating-... ) is worth a read.