I'm fairly certain that drug dealers' numbers indicate that people "want" more addictive drugs. Facebook and other social media isn't quite at that level, but

I'm fairly certain that drug dealers' numbers indicate that people "want" more addictive drugs. Facebook and other social media isn't quite at that level, but the same logic applies to your argument: there are fundamentally different kinds of "wants", and the drug dealer/social media metrics invariably cater to the unhealthy kind.