This post just seems to be to draw semi-sensational attention to a self-help book. The site isn't generally referencing primary sources or otherwise giving signals of why it should be trusted. It also doesn't identify the authors.

It's hard to take the site seriously when it equates gaming to being an alcoholic (while later in the same post backpedaling it): https://www.deprocrastination.co/blog/should-i-quit-video-ga...