(And Gid, if you want to talk about superiority, look at the assumptions here that all childless people are selfish -- if that doesn't smack of superiority, than I'm not sure what does).
Oh absolutely.
The way I see it, whatever floats your boat. Want children? Have them, enjoy them, take care of them. Don't want children? Enjoy your life anyway.
I'm just saying I've seen the other side of the fence.