Occam’s razor, often attributed to 14th–century friar William of Ockham, says that if you have two competing ideas to explain the same phenomenon, you should prefer the simpler one.
Religion is a good example of the dangers of oversimplification.
No, I am more selective. I “remember” passages of a book that I found interesting. Usually those passages are built around some idea or some quote that I particularly like.
It is my opinion that much of a book is necessary background the author must put in to set the context for interesting ideas. Once you know that background, you don’t need to read it again.
In a similar vein, many series books need to repeat some basic info for the sake of readers who are new. This happens in every Jack Reacher book and in every Bones (Temperance Brenner) book. Readers who are familiar with that basic material can just skip it.
I’ve started to read about “attachment theory” (Levine & Keller). I used to agree with you. Now I think the concept of “enough” discipline is complicated.
“hackneyed”: lacking significance through having been overused; unoriginal and trite.