Basically what I'm saying is that cornering podcasting isn't going to work. But inverting the market to be cornered to the syndication/creation side and not the distribution/consumption side there might be a more effective way. I'd suspect that eschewing both publicity and censorship would be critical to cornering that market. After all, Disney+* and Pornhub have content made with the same tools and sometimes the same people, while both retain their image.
+ if you want to see what I mean, turn on your adblocker and go to open.spotify.com and start browsing podcasts from ESPN, APM, and others and open the developer console. There are a number of interesting failures when ads are resolved, and a lot of little companies you've never heard of writing some cool networking infrastructure to distribute podcasts.
\* well maybe not Disney+. They might have a policy for this exact situation.
Spotify wants to corner the market on popular podcasts. Of it’s very nature — anyone with anything or nothing to say can start one - podcasting might be the best modern example of free speech, and I believe podcasters know this. If they see Spotify as an entity that will require editorial modification or will refuse to post “certain episodes” then podcasters won’t make deals with them. This isn’t a political point, it’s a business point. If Spotify can’t achieve their goal of being THE SOURCE for the best podcasts which are exclusive to their platform then their shareholders will demand changes.