"Handy" people are more scientific than non-"handy" people. They believe in physics at a deep level, so they can reason about physical objects without relying on user interfaces. Everything is made of raw materials; everything can be repurposed.
Heinz von Foerster (Cyberneticist) used the term "trivial" instead of "handy". If you can read German, I can recommend readinghttps://splogz.wordpress.com/2019/04/08/heinz-von-foerster-eine-theorie-von-lernen-und-wissen/ …