Religion is a virus which festers and boils in stupid people. It spreads to smarter people and makes them stupider. Stupid people don't make much money, science or other smart things.

Religion == stupid.

QED.

It's not about race, it's about a really, really dumb idea which drags us all down.

Waste is an enormous problem, as is water supply. and those two don't intermingle well.
Consider that we are at peak oil now (in all likelihood) or we are past that...unless someone can come up with an adequate energy replacement in the next few hundred years, resource-wise, we are at or near peak capacity.
Not to mention the destructive forces on the ecosystem that come about when one species completely dominates the planet. Humans cannot dominate the planet without changing the ecosystem around them, likely for the very worst. In ecosystem terms, the stasis...or equilibrium of the ecosystem is already upset by the present dominance of one species. Pushing this imbalance much further seems like a really really dumb idea.
and farmland must be fallow at times in order to produce.