I think you're right on the crux, with a qualification: every argument has already been made in one form or another - the underlying universal concepts are not

I think you're right on the crux, with a qualification: every argument has already been made in one form or another - the underlying universal concepts are not that complex. the talent of a writer is to present it in a manner congruent with the geography/times. Isn't vacuity when speaking in pure style, but in a style that itself acts as a mirror to the zeitgeist, a valuable tool for thinkers? A frame, a kind of meta-thought?