Knowing the beast firsthand, there's no trace of doubt in my mind that the convergence to a junk product outcome involved a monotonous increase in ad revenue and likely, engagement metrics. There's a tragic dimension that a system which connected so much of humanity to itself so well would be rendered so toxic as a product and as a community in just a few years.
Ordinary people put up with a lot of inconvenience just to stay connected (in some way). This is why fb has not collapsed yet. I left it years ago when I realized it was just annoying me.
and some of the fully baked ideas with a budget do it too
its the crux of most modern online marketing strategies, its always an overhead cost, recurring