Mainstream is defined as: the prevalent current thought that is widespread. It includes all popular culture and media culture, typically disseminated by mass media.

Legacy corporate media cling onto the label while their viewership abandoned cable.

Joe Rogan is better representation of all popular culture and media culture today, hosting debate would be accurate representation of a mainstream platform.

We're post-cable. Corporations effort to destroy where eyes moved to failed, it's time to move on.