The one way that I have come up with to describe a potential reason for the way the story is portrayed is this:
The ENTIRE series is from the perspective of a die hard semi-introverted software engineer and HUGE NERD who has this deep-seated need of just wanting to help and make things better.
Taking that into account everything written kind of states to make sense.
I love the series and it goes to some VERY interesting places.
There is one warning to give. At a certain point the book starts to suffer from scale creep. The characters are already able to do “X” so we need an enemy that can do “X+Y+Z” so now character learns to do "X+Y+Z TIME 10²“. At a certain point it’s best to just stop worrying about the explanations and just enjoy the story.