"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,…
I tolerate different ideas just fine, but anyone over the age of 20 who tells me "The best book I've ever read was Atlas Shrugged in 8th grade. Changed my life." will immediately strike me as a person I probably have little interest in being friends with.