Many podcasts do have a post with show notes/transcriptions/etc. for each episode. And those will often be open for comments. But someone listening to the podcast (probably from a phone) would then have to go to that page.
Given that a lot of blogs/pubs that aren't about contentious topics don't get a lot of comments/engagement anyway, you probably just don't get a lot of comments even if there's a place for them.
Comments
Many podcasts do have a post with show notes/transcriptions/etc. for each episode. And those will often be open for comments. But someone listening to the podcast (probably from a phone) would then have to go to that page.
Given that a lot of blogs/pubs that aren't about contentious topics don't get a lot of comments/engagement anyway, you probably just don't get a lot of comments even if there's a place for them.