Good question.  If you will recall, the left shamed anyone that questioned his name, his religion, his past, the fact that he always simply voted "present" and everything else about that leftist American Hating, radical Islamist Muslim POS.  The left swarmed and condemned ANYONE that questioned anything about him.  Remember when the Hildabeast questioned his citizenship?  She was the first "birther".     Perhaps that name was chosen because it would be easier to silence his opponent as being racist.  Then you had many that voted for him only because he was black.    edit for spelling.