Deterrence logic

the ability to do a taboo action because if anybody said anything they would expose themselves as aware of it

Person A:(mentions not well known taboo)
Person B: "that's weird why would you talk about something like that"
rest of party:"what are you talking about
Person B (explains)
rest of party: "why do you know that, that"s pretty weird"
Person A: thinking to self (any smart person would think about Deterrence logic and stay quiet)