I was boarding a flight Monday morning from ATL-PHL and, as usual, upon starting boarding it immediately became a mess with F class pax and other medallions lining up in both the general and breezeway lines. A few passengers were grumbling loudly about how stupid this process was when the GA blurted loudly, "I know, we don't like it either!" The guy in line behind me said something to the effect that the GA should take control and fix it, to which the GA said, "I don't know how it's supposed to work." Argh...