> Airbnb has the benefit of a much better UI and UX compared to several over hotel aggregators like booking.com
While AirBnB might be pleasing on the eyes, Booking's UI is optimised for conversion. The benefit of "better UI and UX" is arguable here if it does not result in more $ for the business. Specially if they want to compete in the public market.
Disclaimer - Ex-Booking.com employee