The Viet Cong learned from the one true master - these torture/coercion methods are copied from Mao's "struggle sessions" where any successful farmers/craftsmen

The Viet Cong learned from the one true master - these torture/coercion methods are copied from Mao's "struggle sessions" where any successful farmers/craftsmen and university graduates were publicly tortured in front of the proletariat until they admitted to any and all crimes (and in a few million cases they were killed anyway, pour encourager les autres).