What is the question here? Well, there are many books on “productivity”. Too much. I have read a lot of books and texts, listened to a lor of podcasts, watched some videos about it. Some were useful, most were not, to me.
Some simple things can do a lot.
Timeboxing, illustrated by the Pomodoro Technique, is simple and can work.
Deep Work, described by Cal Newport, is an old concept with a new name.
The ideia of being as analog as possible makes me happy.