In this case I think you're getting worked up over a relatively rare event. It's not exactly a display of the highest levels of professionalism,
Perhaps, but.....if they display this level of infancy in this scenario what low level of professionalism might they apply in a more serious event? What can be said about the PA blocking the primary ATC frequency is that ATC usually are the first to respond and slap on the first is usually enough. Glad my wife is not on duty at the time. Ouch!