CrossFit has been an active combatant in the diet wars. For decades it has been an exciting world of "us" versus "them."
"We" were the low carb, low calorie, good fat camp and "they" were the low fat, low calorie, high carb opposition. The battle was for the hearts and minds of the public on the very personal and private matter of nutrition - what diet makes us healthy?
http://journal.crossfit.com/2003/11/cfj-issue-15-nutrition-avoidin.tpl