Multiple Podcasts for Different Lengths - Multiple Channels for Content Types

This is an extension to a video of a similar topic. Why should we make multiple channels, or in this case podcasts, for multiple content types?

To me it makes no sense in the long run, but sure it is important for CTR, retention, and subscribers. I get that, but those are short term metrics, that impact long term.

Why do we need to change ourselves, when the platforms themselves should change for us?

Here is the video:

One Channel for Shorts, Clips, Videos, and Livestreams?