I think this preference is because there is usually something unique about European players that you can easily identify them by:
Rory is just the most talented, makes everything look easy
Kaymer has that "German robot" mistique
Sergio came on the scene at 19, has been prickly and irritable until recently, plus Ryder Cup success
McDowell/Rose - put these guys in the same boat - likeable, but we won't "miss them"
Honestly, I think a lot has to do with their...