Yeah. I mean this whole misdirection thing is stupid.
Q should do the same thing the police do.
Like when the Police put all of the names of the people they are going to arrest that day in the morning paper so they will be ready for them when they get to their house.
<Idiot
I have zero evidence for or against.
You were asking what has changed.
Pollution, engine compression ratios, wing / aero design just to name few.
Seems to me if you wanted to influence weather there would be a more efficient way than flying back and forth across the sky for hundreds of miles at a time.