Each individual may have perfectly rational reasons for their behaviour. It can still be interesting to study side effects of their group behaviour." If only they kept it to just "study[ing] side effects of [..] group behaviour". However, all these meta and orbit-view studies' conclusions are used as justification for all sorts of orbital-level intervention that has real-world consequences on individual's behavior and possibly well-being.
The gist, the implications of the article, and any possible government-level consequences need to be preoccupied over! This isn't just some nifty little article we're reading on the internet. This is your entire environment being slowly manipulated by agendas and "reasoned" responses to correct supposed "problems" such as statistical inequality. Be informed.