I see FAR more of that from Democrats than from Republicans these days. Far leftists call Tim Pool and Joe Rogan (both left-leaning centrists with some socialist views) supporters of the "alt right".
Can you provide some particularly egregious examples?
From what I've seen his guests seem to run the entire spectrum: martial artists, military veterans, comedians, physicists, journalists, etc. Sure he's had crackpot Alex Jones on, but he's also had Twitter CEO Jack Dorsey, Elon Musk, and Gary Johnson.