Not having to deal with youtube's nonsense is likely a strong reason. If I was Rogan that reason alone would cause me to regularly evaluate alternatives. Multiple episodes have Rogan himself hitting a Youtube restriction and him verbally expressing frustration.
This is something a lot of content creators on youtube are experiencing.
> Bringing the JRE to Spotify will mean that the platform’s more than 286 million active users will have access to one of culture’s leading voices.
Spotify has podcasts, JRE is a podcast, so I assume those users already have access to JRE before this deal.
> By partnering with Spotify, Rogan and his team will enjoy the support of the world’s leading audio platform.
Vague. What can JRE do now they couldn't do before?