"Let me get this straight. You want a chemical agent that will sterilise ALL the planet's creatures?"
"Only the mammals. And only for THIS generation, with some residual effect on offspring.
"That may not completely eradicate today's moral holocaust...but it certainly can't hurt. So many babies who should be treasured; dying instead, from lack of resources, from physical and emotional neglect—for the crime of being 'unwanted'.
"Maybe when living creatures are scarce, their endless inborn potential won't be wasted."
"You could end up with a world run by insects..."
"At this point, I'm willing to take that chance."