Because this isn’t an act. This really is who he is. He’s not showing off for the cameras, it’s not calculated to get attention. He is exactly one layer deep. This is it. This is who he is. An old, fat, spoiled child that has never been told “no” in any meaningful way and has been surrounded by yesmen and sycophants his entire life. He behaves like this around cameras, he behaves like this in a one on one meeting.