maybe you should be a little less critical about someone who actually built something extremely useful and spend some time investigating the topic of "incremental reading" -- reading info and retaining info are two different things
>> reading info and retaining info are two different things
I apologize, I projected my own experience and assumed that other people were able to remember the main points of what they read. I guess most people don't have have great memory. I never thought of myself has having good memory but I remember the main points of most of what I read.
https://www.supermemo.com/help/read.htm