In February 2015, Frontier announced that they will begin service to several destinations from Atlanta adding the airport as a focus city. In July, Frontier also began decreasing service from Washington Dulles International Airport removing the airport as a focus city. In early 2016 Frontier announced major route expansion from airports nationwide including Atlanta, Chicago, Cincinnati, Cleveland, Orlando, and Philadelphia. In June 2016, Frontier re-established service to Port Columbus International Airport. In May 2017, the airline announced opening a new crew base in Las Vegas in the fall 2017 to improve operational reliability and potentially create new jobs in Las Vegas. In December 2017, Frontier began service to Buffalo, New York, with service to Denver, Colorado, and Florida, including Miami, Fort Myers, Orlando, and Tampa.
Say for example there are two hotels side by side. One meets all the requirements of the Diamond classification, pool, valet etc etc. The other may have vastly better quality rooms, best furnishings, best of everything but does not have a pool. If that was your hotel, even though anyone can clearly see that it's better than the hotel next door, would you feel it's fair it won't meet the Two Diamond standards?