A bigger issue is people with the foresight of a goldfish procreating endlessly.
Exactly, create a solution that relieves the pressure and the breeders will simply fill the newly available space.
My point is that overpopulation is already a very serious issue. Anyone who can't see that staring them in the face suffers from willful ignorance, hubris, or a sweetly narcotic mixture of both.
It'll work itself out one way or another.