All of western Europe is a challenge for the U.S. Air Force. The air space is too crowded. Even in the 1960s USAFE fighters regularly deployed to Wheelus Air Base Libya for range training they could not get in Europe.
This paper was just looking at alternatives. I don't think it has anything against Italy other than the limits of operating a fighter wing in a region which has limited airspace and range support.
Russians move bombers to Cuba and Venezuela
We move F-16’s to Poland.
Chess pieces are moving.