A rather poor critique. Ad hominem, GP doesn't mention himself, though might be implying Stallman adds more to society than gang-bangers. I'd tend to agree.
I want...
Classism, lack of education perhaps, you could be much more accurate and not undermine your argument by throwing racism around.
Societal decline is an effect, he was talking of a cause... that the educated tend to have fewer children, which is not in dispute.
XKCD creates a strawman and defeats it with "I don't like you!" Not his best work obviously.
Nice try. It's well known that the uneducated don't do much family planning. A comic that says the opposite with zero to back it up is worth the paper its printed on.
Or people thinking like you, for that matter.
What exactly makes you think you are worth more than a "hick, vato or homeboy"?
A high IQ? I'd take kindness, altruism and consideration for others any day.
Not to mention your comment borders on full blown racism, stopping just short of the "n" word.
http://xkcd.com/603/