Imagine oneself playing a game of Simon Says, where we don't know who Simon is or which bits he's actually saying, he in fact sounds exactly like everyone else

Imagine oneself playing a game of Simon Says, where we don't know who Simon is or which bits he's actually saying, he in fact sounds exactly like everyone else giving us instructions: we can choose to believe what we want about the actions we are told to make, but an adversarial Simon can always contradict us. It's not a game I'd enjoy playing nor a lesson I think I benefited from very much...