The main character of the book is not mechanically inclined, he is inclined, so to speak, with necessity to understand and explain, to find out the meaning of things and phenomena he observed. The quest for the Truth (only to find Quality instead, or a "perfect" Balance as it called on the East) is a state of mind, which is roughly a mix of curiosity, logical reasoning, imagination and persistence. Some call such set of traits the scientific mind, and some call it our Buddha nature. The book is about minds, not motorcycles.
As for attitude towards other people, it is really difficult problem, because lots of our attitudes are based on social conditioning and effects of environment which heavily influences what experience we had and most importantly how do we interpret and consolidate them, a bunch of feedback loops between different "agencies" of the brain.
In other words, culturally I am lower class Russian, which means I am treating other people in a different way you do. For me, for example, so called respect never to be taken for granted, but to be earned or to be a consequence of other person actions. So called "cultures of honor" are too much concerned with how others behave, it is silly, but it is what we are.
So, I do respect guys like Hickey or rtm or antirez (there are few more) because not only I could appreciate what they have done, but I know what it takes to be able to perform like that. It is like a person could really have a respect for those who is capable to run 15km non-stop only when he himself could run at least 10. Then you know what it takes.
So I cannot respect any talking heads or so called consultants simply because I know what it takes. Not very much.
Another example is books. As long as you progress as a reader you possibly could realize how very very few really good books are here (it is not a matter of popularity or cover annotations, of course) and the general amount of nonsense around you.