Inoreader lets me subscribe to the feed (URL https://astralcodexten.substack.com/feed/, which looks like standard RSS to me), so it doesn’t seem that Substack is intentionally limiting access to their site.
Inoreader lets me subscribe to the feed (URL https://astralcodexten.substack.com/feed/, which looks like standard RSS to me), so it doesn’t seem that Substack is intentionally limiting access to their site.