I regard your articulate, insightful statement here as a near-perfect definition of style. And style is technique. And technique is personality. Style, like personality, is a mode of thinking.

Subject-matter is what the artist depicts or writes about. Style is how the artist depicts it and writes about it.

This may (or may not) sound simplicitic or even obvious. But in actuality it’s an insight of the profoundest sort. And you’ve captured it precisely and perfectly. That is not flattery. It is a statement of factual truth.