alt Hacker NewsI think that's exactly the point where the article falls flat. There is potentially a big oppurtunity in building a SSG + CMS solution despite the past failed attempts.
Every few years I go looking for something that's not Wordpress that you could hand to a marketing department, but there is no viable alternative (that's not Drupal).
There's a number of headless CMS solutions for commercial websites. Hosted, multi-user, paid. It's just a different category.