The truth is that it is about Neo-Ludditism.
These fools want not only that there should be no more than 1 billion people on the earth but that we should also all be subsistence farmers or live in populations centers where no person has more that 100 square feet of living space.
With China is beginning to relax its One Child policy these idiots must be wailing dirges and rending their garments with their profound grief because they want that policy imposed on the entire world.
These Gia worshipers hate the human race and sincerely want it erased from the planets surface. But strangely dont want to be the first volunteers to depopulate the Earth.
I find that rather odd also. And offensive. If they REALLY care, they should be the ones doing away with themselves for the good of gaia. I might even shed a tear for their noble gesture. Na!