Elon Musk’s father doesn’t understand why his son has the world atwitter. In a wide-ranging interview on the “Kyle and Jackie O Show” on Monday, Errol Musk revealed he’s not proud of billionaire son, noting that even Elon himself is displeased with his own progress. “Your offspring is a genius,” presenter Jackie O said in a conversation with the South African septuagenarian. “He’s worth so much money and has created so many things, you can’t take that away from him. Are you proud?” “No,” Errol responded bluntly. “You know, we are a family that have been doing a lot of things for a long time, i…