Of course he is not serious. He just means:
1. Look at all these obese kids who are likely to be massively expensive burdens on all of us;
2. Look at all these parents who don't care because they have nothing to lose, since all of us are standing by to pay the tab for all the expenses for their kids' social, emotional, financial, medical (back, knee, intestinal, blood sugar, blood pressure, hormonal, etc.) problems.
3. Even though it's absurd, we are frustrated enough to ponder the only power we have, which is to take the kids away from them.
I do think sugar--especially high fructose corn syrup--is 60% of the problem.