The ramp is definitely unlevel in Crooked Eye Joey's photo. Those of us who know him well say that the weight of his ego bends the surface of the earth temporarily in his vicinity. Those of us who have shot with him get unlevel results too but only when he's around.
In the first shot I opened the photo in Photoshop CS
, zoomed in to 600% and put the grid on. I still don't see the unlevelness because the terminal's vertical lines are parallel to the grid lines. Now, do we have an unlevel terminal due to shoddy airport contractors or what? You would think that the terminal and the storage tanks in the background would have perfect vertical angles but I guess not.
You say "not ever shot needs to be level" which is true in some cases but supposedly on airliners.net they need to be level.