The reason Reddit gave for blocking access to non-logged in users is that it's being used for AI scraping. https://www.reddit.com/r/modnews/comments/1ujtebf/lo

The reason Reddit gave for blocking access to non-logged in users is that it's being used for AI scraping. https://www.reddit.com/r/modnews/comments/1ujtebf/logging_in_to_use_old_reddit/ https://www.reddit.com/r/modnews/comments/1ujtebf/logging_in... > Old Reddit’s logged-out experience is a significant source of abusive scraping and automated traffic on the platform.