Since I am the OP, I'm the lady of the house and I get to be a little bossy. Pro Choice goes both ways, my friends! Instead of butting in peoples' lives, telling people to have less children....
Gerald wasn't telling people to have less children, he was saying that this is what he had done. I'm not telling people to have less children, but I am saying that it is factually accurate that this is an excellent way to reduce the environmental impact of the human species. That has nothing to do with eugenics, it's simply an ecological fact. It's one of the choices available to people if they want to reduce harm to non-human species (as is not overeating animal products, and reining in general resource and energy consumption). And...we are both biologists.
Saying what we have done or what are some ecological facts is not "butting in people's lives, telling people to have less children" - it's stating our own choices and the reasons for those choices - and I don't feel that everyone has to do it like we've done it.