Originally Posted by Decomposing Screener

What goes on outside the metal detectors is the airlines domain. My checkpoint does have a first class line but that is only because the primary airline that flys out of there wants one. I've had several passengers complain to me about that but all I can say is that is the airlines call. You don't become the TSA's priority until you reach the metal detector.
However, on the flip side i've had first class passsengers complain when I waved over passengers to the first class line after they were past the ticket checkers. My response was, "nobody was using the line at that time, why can't they?"