I've fathered 4 with 2 wives ( sequential, not concurrant :) ), but the raising part is not all bad. Mostly good actually.

You sound like a man. ;-)

I daresay the raising would not be as fun if you didn't have enough food for them.

I do think your view of most people being fine with one or 2 is a very "Western" viewpoint however.

Disagree. Birthrates tend to drop naturally when safe, affordable birth control is available, as long as the children you do have are likely to survive to adulthood.

And too many children were a problem in western societies, too, before birth control was widely available. (Google baby farming.) Even middle class families could not afford more than one child in a household. Children were turned out in the streets as early as age 3 (forming bands of boys a la Oliver Twist). Orphanages were church-sanctioned child-killing machines. Only a tiny percentage of children lived to age 16 in such places.

We tend to think that our current status as top of the food chain heap is the be-all and end-all of evolution.

I don't think anyone here thinks that.

Religious/cultural beliefs notwithstanding, biological and cultural evolution continues without regard for our petty concerns. Whether anyone likes it or not, it is winner takes all in the end.

Yes, but other cultures have kept their populations at sustainable levels for thousands of years. Clearly, it's possible. It's not easy, but it's possible.

And these days, population density is not the advantage it once was. Hence Israel's dominating the Palestinians despite being outnumbered by them. (Of course, whether they'll be able to keep doing that in the post-carbon age is whole 'nother story.)