[hn_throwaway_99]

Except there was 0 analysis of the cost/benefit of supporting the end of the long tail, instead it was just economics-free shaming. Of course, you want to see who those 2% of users actually are. But nowhere in this article did I find any advice I'd actually want to use in a really business scenario.

[godelski]

Isn't the end of the article saying that their users are mainly in that tail? Seems to be exactly what you say: figuring out who those 2% are. In the OP's case, it's 30% of their users