Shock Value Writing and “Trigger Warnings”

I gave out ARCs (Advanced Reader Copies), and a user took both Books 1 & 2 — then sent me a message saying she preferred not to review.

…Not that she didn’t like my writing. She was explicit about this. But it seems she didn’t want the book on her record of having reviewed on her accounts, since it contains a particular scene that she wasn’t 100% comfortable with.

I respect her decision, and thanked her for letting me know.

But now I’m wondering — should I have had a trigger warning? Or any “...