"The best book I've ever read was Atlas Shrugged in 8th grade. Changed my life." Not because I remember anything about it, or believe anything it espouses, or even like it all that much, but because it's a useful filter for obnoxious people in meatspace. If someone I don't know too well asks me what my favorite book is, I say Atlas Shrugged. If they react inappropriately, I'll be cordial and treat them with respect,…
What about people who are critical in a way you'll never know? Personally I might check off a "don't ask for book recommendations" box in my head and never mention it to you again