Today, the emphasis is on reducing saturated fats (butter),  while recognizing the benefits of healthy, unsaturated fats (olive oil). Foods labeled as “healthy”  must now contain a meaningful amount of vegetables, proteins, dairy, or grains:

It is odd that, “Diet contributes to America’s status with the lowest life expectancy amongst high-income countries”. The new FDA guidelines point to The Mediterranean Diet as the gold standard for healthful eating

See full story FDA Rewrote Rules of ‘Healthy’ Foods For First Time in 30 Years