Comedian Bill Burr said it best: "I'm not gonna sit here with no medical degree, listening to you with no medical degree, with an American flag behind you smoking a cigar acting like we know what's up better than the CDC." [0] That quote is Joe Rogan's shtick in a nutshell. [0] https://youtube.com/watch?v=tSKVXl-WnrA&t=5m20s
Bill Burr might be right, but there are, for example, people who think satirical news shows are actual credible news. I don't think what Joe Rogan does is much above a step beyond that sort of entertainment.
Last week tonight is quite credible.