Many web crawlers (including Google IIUC) will subscribe to the feeds. But I think they just use it as a way to efficiently discover new pages rather than direc

Many web crawlers (including Google IIUC) will subscribe to the feeds. But I think they just use it as a way to efficiently discover new pages rather than directly surfacing the results in search. So likely since the posts don't have a web URL they won't appear in search results.