Because one of the reasons people don't think billionaires should be held accountable is they think they earned that money (and so, they can earn it as well, ju

Because one of the reasons people don't think billionaires should be held accountable is they think they earned that money (and so, they can earn it as well, just work hard ;). Showing that they almost always just were born into wealth helps these people realize that they have no hope of ever becoming taxable at that level.