I'm a frequent listener and the only subject I assume Rogan is an authority on is martial arts and nutrition. I ignore much of what else he says, but I respect his knowledge on those two topics.

Other listeners I've spoken to feel the same way. And I reckon Rogan knows that too

Yes, he does a great job playing the curious and interested, but mostly uninformed everyman. This has the "explain it like I'm 5" effect on his guests, which forces them to be relatable instead of using jargon. It's a lot more valuable for most listeners than two people trying to one-up each other in how intellectual and sophisticated they can sound.

Some of his best conversations, are with himself /s https://www.youtube.com/watch?v=-xY_D8SMNtE