@fsoc thanks 😊
you summed it up perfectly. we focused on the publisher side first, because that is what WordPress is all about: A publishing platform. so for now you have to use a block to reply to a post.
but we are working heavily on the subscription side, that allows you to follow users and to reply to their posts, the same way you would write a comment to a blog-post.
here you can see a sneak peek of the reader: https://activitypub.blog/2026/01/12/wordpress-federation-recap-of-2025/