I liked what you said, Epidemic, I think you put your finger on the problem: that Natural Selection is being eliminated, and that artificial solutions to nature's problems have become the norm.
The trouble is, when one starts in on that vein, you're naturally inviting your opponent to come right back at you with accusations of your being "Elitist" and "...do you think you're better than________(fill in the name of person with genetic disorder) who wishes to have children to love and nurture..."
Blah, blah, blah...oh, and look out if they want to compare that viewpoint with a certain mustached German leader of the 40's...yep, Hitler was BIG into "natural selection"!
Plus, as you (Epidemic) noted, the doctors are WAY into this trend, as pretty soon, we won't be ABLE to reproduce without their considerable (and VERY EXPENSIVE,) assistance. Lotsa business for those guys!
CM, I hope you're over there chuckling your head off.

You've done it again!