It's "Them" who are ordering spraying - Don't ya know?! It's either the CIA, Skull & Bones, FBI, Illuminati, Mafia, Israelis, Bill Gates, AARP, Muslims, military industrial complex, Elvis come back from the dead, or maybe even radical renegade Rosicrucians hell-bent on controlling the world and high on crack! Take your pick!
If population control by high atmosphere aerosol was that easy, why ain't there a nasal spray birth control product on the market?