I guess they need to do something to increase engagement because - anecdotally, yes - the amount of sharing and engagement in my feed has dropped dramatically in recent years. A rough guess would be ~3/4 of the content I see now are just likes/reactions and comments my friends made on other content (usually articles or memes). I'm sure most of my friends have no idea I'm seeing this, and if they did they would probab…
Gotta love addiction optimization, one of the many wonderful sciences the modern age has brought us. See also: drop rate optimization in games.