[rchaud]

Likely for the same reasons that many of the architects of social media UX design and recommendation algorithms don't let their kids use those apps.

[krapp]

It's an intentional design choice on the part of the author to only attract a certain kind of user (the kind that cares about information and nothing else) who likely conforms to pg's ideal culture fit of a 'good hacker,' and scare away everyone else.