OK I took the "look up" part too literally. Literally it means something closer to "don't look around you" or don't use your common sense to see what is actually going on. I didn't see the movie itself. But I have known many people who literally cannot see the chemtrails. I first noticed them around 2000. I looked up and saw a grid for the first time. People told me that was just normal air traffic jet trails. I guess they never saw a normal sky. So chemtrails are for them a conspiracy theory, because they can't see them. Scripture describes pretty exactly how Christ will appear in the sky and everyone is supposed to be able to see this event. I suppose it is possible that even then there will be some who will not believe what their eyes tell them just as now there are those who do not believe what their senses tell them concerning the danger of the vaccines.