He is sharing his experience which probably applies to the majority of the people but no, use edge cases to justify your stance and feel good about having the moral high ground.
Congratulations on your ability to focus on the edge cases and not the majority of the bell curve.
EDIT - Guys, no don't get me wrong. I'm not talking about THIS specific article or about being fat or anything. It's just that for the past year or so I've been in any online community (even the other one) I've noticed this. Sure, I get it - Innocent until proven guilty and all, but sometimes, things really are as simple as they appear to be.
[Oh, and dear parent poster, I'm a bit sorry for the "Congratulations on your ability to ..." but that was just me getting upset that people aren't looking at the bigger picture.]