I noticed a similar trend with Howard Stern and others once signing on with SiriusXM.

My unsubstantiated take: audio has to be ubiquitous to work. It’s somehow more commoditized than video or other mediums.

If it’s a radio show / podcast, you already have your “player” of choice (AM/FM radio, or a particular mobile app) and you expect the audio to work like tuning a radio station to your syndicated show, or putting in a CD, and the player just plays it.

For some reason with video streaming, we equate services like Netflix with TV networks, so exclusivity is ok.

But audio apps and services don’t feel like different stations or CDs, they feel like different mediums entirely. So while Netflix is to Hulu as NBC is to HGTV, Spotify is to Apple Music as CDs are to MiniDisc.