“...it would be easier just to fire a photon torpedo and vaporize the United States and all the other European countries?”
Haven’t you heard? The aliens have been engaged by the Tibetan Immortal Masters, and the aliens are on the run.
If the Aliens want war captives yes go ahead and have a hostile invasion.
But if you create worldwide chaos you can walk in as a savior and offer solutions.
Then you have willing slaves that serve you because they see you as the bringer of order.
Eventually anyone who lives every day in fear will welcome the dictator that offers peace.
I for one welcome our Alien overlords.
😉
Steven Spielberg’s going to get even richer, now.