I watched the series Cosmos, and he was on screen so frequently and so needlessly, it seemed less like he actually cared about astronomy or science and more like he wanted to be famous.
WHERE'S THE SCIENCE? "We wanted to find a New Face of Science on TV. One who didn't look like a scientist."; A TV executive explaining to NPR why they hired ex-jock Neil Degrasse Tyson, who got a job at an observatory thanks to his college's athletic supporters.