The species Ho-mo Sapiens isn’t very sapient. Rogan, who is stupid and ignorant, plays to the stupid and ignorant which is a much larger market than the intelligent and educated. There are much better podcasts, like Sam Harris, who is hated by both the stupid on the left and the stupid on the right. But you have to be educated before you listen and you have to want to be educated by the podcast. Most people want neither.
I suspect that’s more a choice than because he’s uniquely good. There’s so much overlap between many sports that if one has worked hard enough to be great at one it’s less of a challenge to be great at another if one chooses to focus on that. Most great musicians could be great multi-instrumentalists because of the overlap between instruments. But there are very few great multi-instrumentalists because most choose to focus on just one.