You can find the rss via the main menu going to the subscribe page.
The benefit of the link tag is that you can copy-paste any url of any page or post into a respectable feed reader/podcast app and it will automatically find the rss feed for you.
You are correct. The theme I used as a basis for the site only provides this on the front page. I never expected anyone would do this with an episode page. But it’s easy to fix…