But I suppose that plenty of fats are healthy and part of a balanced diet. And someone who eats nothing but refined sugar is more likely to be over weight that someone with a high % of fat in their diet.
The danger is two fold
1. People don't eat fatty foods which have solid evidence for their benefits (e.g. Virgin olive oil)
2. People substitute the lack of fats with sugar, which I believe (not an expert) has a lot literature linking it with obesity
But I suppose that plenty of fats are healthy and part of a balanced diet. And someone who eats nothing but refined sugar is more likely to be over weight that someone with a high % of fat in their diet.