Because his distant ancestors were brought to this country, it gave him the opportunity to become a billionaire, rather than being chased around Africa by a crazed elephant.
His ex-wife owns some hotel, restaurant and spa in the ritzy hunt country of Middleburg, VA so the whole family has done quite well in this hellhole. But like Michelle Obama (Princeton, Harvard Law, but somehow flunked the Illinois Bar exam which 90 percent pass) her husband has no gratitude of any type.