it derives its gut-punch effect in both versions from how suddenly and dangerously the tone of a group can change around a person. At the party, thinking you were safe among friends and discovering that you're not. At the beer garden, thinking you were safe among strangers and discovering that you're not. All around you, people are declaring themselves your enemy—whether they know you personally or not—and in less than three minutes it's done; you're not safe here; now you know.