And that «pseudointellectual BS» would be mine? If so, is not that contradictory with your statement that being «very well-read» gave you abilities for discrimination?
(Note: if the above is correct, and they are incomplete, then it's duly to roll the sleeves again, and be back to the "discrimination builders". Like for all of us.)
I am not sure about that «trying to signal»: it seems as if you interpret that somebody uses books to "show off". That would be completely nonfactual. They are there for you, why should one use them to display - that would be strongly inconsistent with their nature.
Now the core point:
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books are explicitly the concretion of an effort towards development
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as such, they are symbol and object "incarnating" something very high.
I do not understand the expression «Get your head out of your ass», but I consider it a friendly encouragement, for which I am sincerely grateful. To actually meet in communication, we would probably need more exchange though - I think we have probably not understood each other.