I'm not just talking about how a small percent of users spend the most on loot-box games, but also how the top 10% of drinkers consume 50% of all the alcohol sold in the USA.
I also believe it must apply to people who use cannabis, as a 'dab' setup allows a heavy user to inhale in one breath what would literally be 50 sessions worth of doses for an infrequent smoker.
This isn't necessarily the same topic as what the author wrote, but I'd like to see someone explore the connection.