When I try to view the link, it says “Too Many Requests,” so I’m commenting in hopes that I can check it out later. Thanks for posting! I’m looking forward to reading it.

Here’s the 2021 archive.org backup of it, if it goes down again:
https://web.archive.org/web/20210422014523/https://www.gnu.org/education/how-i-fought-to-graduate-without-using-non-free-software.html