The relevant privacy issues (Cambridge Analytica) did almost nothing for facebook. The core product, sharing information with apps so they could be social, was

The relevant privacy issues (Cambridge Analytica) did almost nothing for facebook. The core product, sharing information with apps so they could be social, was a bad idea and never took off. It was shuttered in 2014 (a little bit after Kogan made his app and extracted a bunch of data). So of that 172B in revenue, basically none of it came about as a result of the product that Cambridge Analytica (and others) used.