“Isn’t ‘Thriller | SF’ a little vague?” Guilty, with Explanation

Oh, they’ve tried to pin me down. Believe you me, they most certainly have.
You’ve probably heard the jokes about “grammar nazis.” You may even know a few. Well, apparently, their next-of-kin are consumed with nailing down an author’s genre—maybe we could call them the “genre gestapo”?
Or perhaps less feathers will be ruffled if we substitute the term “genre purist” instead.
Every genre has its own unique tropes, and genre purists can get their collective knickers in a knot whenever an author colors outside the lines (metaphorically speaking).
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