Uh... it kinda seems like three punks just won because they had a cellphone and the Senshi didn't. I can't think of any other reason the other, what, 7+ Senshi wouldn't just gang up on them. Failing that, nothing says distraction like a talking cat or three.
@dap00 They won because they captured Chibi-Usa and have her somewhere else, based on the cell phone image. So they're using her as blackmail for Moon and Mars to behave.