Their ministers long ago fabricated this newfangled "doctrine" so Israeli tourism would abet and promote their "pilgrimages" (for which they charge BIG bucks to act as "shepherds") leading well-healed pious wannabes who think that they can buy their way to heaven by sleeping in one-star hotels and eating off the Continental plan.
Please get some perspective here. Whenever a phase-shift of this magnitude occurs, follow the money.
Tell us the one about how C. I. Scofield was "in on it" and how his holding a federal job in Kansas after fighting for the Confederacy "proves" it.