Even without considering all of the contentious topics, the infinite scroll of the home feed trains people to triage posts faster and faster, because there's always more content, and who knows what you've missed? Because the topics are flattened, you're context-switching on a second by second basis, and your mind is alert to something awful you might be about to see - cute cat, war crimes, Dan's birthday celebration, medical fundraiser, political campaign, sponsored ad... I'm really starting to see the value of legitimate boredom