Some of the animal "purists" may not like this sort of thing; but some dogs actually enjoy being dressed up and having attention. It depends on the dogs involved. I watched the video and it seems like harmless fun, raising money for a very worthy cause.
Details of how the money will be used is here: http://animalalliancenyc.org
Details of how the money will be used is here: http://animalalliancenyc.org