The argument is that software is bad because the people who build it are optimising for the wrong person, and that programmers given design authority will reliably produce something only they can use.
Personas come from here, along with the idea of designing for a specific named user rather than a committee’s idea of everyone.
Read April 2005, which was useful timing for me professionally. The tone is combative in a way that dates it. The core observation, that the people building a thing are the worst possible proxy for the people using it, has not moved at all.
