The importance of (manual) craft for the soul should not be neglected, especially now with many low-effort consooming activities around us.
Examples were given from FI man who has this blog where he documents different types of “fixing” around the house he does and so on.
Being handy before was much more common in the past, but now we have certain automations introduced, and people are specializing.
A point raised in the book was that it is a good feeling to be able to build things seeing the result manifested in the physical world. It is more tangible than seeing pixels on the screen, even though writing a successful program can contribute to a sense of accomplishment.