It's more like a box of straws than any particular straw. The difficulty of using miles on Milesaaver awards, not getting domestic upgrades until 90 minutes before departure, stunningly narrow choice of international departures out of New York City, bad experiences with BA on those LHR connections due to the stunningly narrow choice of international departures out of New York City, expensive options for my domestic personal flights where I would like to use my benefits, low availability of SWU opportunities on some of my more frequent routes, surly service onboard being the rule and not the exception, et al.