All this arguing about blacklisting ex-NSA/US intelligence misses the point. Ex-NSA will just lie about being NSA. A system of shunning will be pointless, or

All this arguing about blacklisting ex-NSA/US intelligence misses the point. Ex-NSA will just lie about being NSA. A system of shunning will be pointless, or worse. Then it becomes a witch hunt. You have to start shunning based on just suspicions.