The author logged into Facebook after an 8-year absence and was shocked by the low-quality content in their feed, including AI-generated images and engagement-bait posts. They suggest that the algorithm's default state is to show this type of content when it doesn't have much information about the user. The author questions why the burden is on the user to 'teach' the algorithm what they want to see. The experience led the author to conclude that Facebook's algorithm prioritizes sensational content over meaningful interactions.