> I am wondering what will happen if RSS readers find a way to share comments on posts
The IndieWeb community is focused on this with Social Readers[1] and Webmentions[2]. The core idea is your reader also ties into your own published feed, so you can make a comment right in your reader that publishes the comment to your own feed and sends a webmention to the original article so they know about it.
Barriers to entry are still kinda high (much like making a website 25 years ago) so any adoption should lead to a better signal/noise ratio. Unless it becomes popular enough for bots to start spamming the webmentions...
Webmention depends on the original source to link back to those comments for discovery though, right? I think perhaps a better approach would be a way to comment on any URL and see comments from other users (or communities) that you have subscribed to. That way the author of the content being discussed is not in a position to limit the discussion to what they approve of and you can discuss things that are not even opted into this system.
Ideally this system would also be integrated into browsers you you can see and write comments even when visiting a URL directly.
Thats exactly what my vision is for comments on Haven[1]. Without webmentions, you're just telling your friends/followers what you think which enables private comments/conversations on public content.
The IndieWeb community is focused on this with Social Readers[1] and Webmentions[2]. The core idea is your reader also ties into your own published feed, so you can make a comment right in your reader that publishes the comment to your own feed and sends a webmention to the original article so they know about it.
Barriers to entry are still kinda high (much like making a website 25 years ago) so any adoption should lead to a better signal/noise ratio. Unless it becomes popular enough for bots to start spamming the webmentions...
[1]: https://indieweb.org/social_reader
[2]: https://indieweb.org/Webmention