Picture this: you're directing a movie with a multi-million dollar budget. The whole production now hinges on your choices. You're not gonna let your actor mess the whole thing up by acting.
You're gonna take matters into your own hands, and manipulate them into thinking they're about to die! Or that you just killed their costar! Or maybe, if you've had your coffee, that you're going to murder their dog.
Here are a few unhinged examples of a controversial directing tool called "enforced method acting," or, "lying to actors so they'll act better."