I have ADD and GNOME is a life saver. I usually put one and only one window by workspace. It allows me to be focused to the max on the task I'm doing.

Also Libadwaita is so sexy.

Have you really read the article ? First of all, the author is not from Gnome dev's team. He is just working for omglinux. Secondly, you can choose what goes in the list. You can add more entries than ever if this mock up becomes real.