What I've been able to gather over the years (and in this thread) and pretty much what I've incorporated into my diet is the following:

  - Avoid processed foods
  - Avoid added sugars
  - Limit fruit intake (especially those high in fructose) and especially avoid fruit juices
  - Avoid simple carbs (e.g., bread, tortillas, flour) and look to lower carb intake in general (~300g daily limit seems excessive)
  - Eat more meals composed of higher fat/protein and a vegetable (e.g., protein and a vegetable)
  - Fats aren't as bad as people believe

When it's all said and done, I think you're right though. The fact of the matter is we all love carbs and sugar way too much. We need to eat more plants.