Just a low-IQ token. I have no idea why people listen to him, whether science related or no.
Neil Degrasse Tyson is more media personality than scientist much like Bill Nye the Engineering Guy. The road to Tyson’s PhD is curious, Harvard College (BA) Bachelor of Arts University of Texas at Austin (MA) Master of Arts Columbia University (MPhil, PhD) Masters of Philosophy awarded to graduate students after completing several years of original research, but before the defence of a dissertation, and can serve as provisional enrollment for a Phd.