Le Guin observes how taoism has become part of the structure of her mind, after the passage of a certain amount of time, and this is interesting. My wife displays the same evolution of outlook, and in her case, simply from being close to me.
It is a perspective that simply makes more sense than anything else. Emphasis on simply.
Remove all the neuroses and what does a human have left?
I call it crow. But really, calm simplicity is what it's about.