The accreditation system and compulsory laws need to be eradicated. Sadly, most conservatives refuse to go that far.
It wasn't just sugar. It was the USDA behind the Ancil Keyes study as well, wanting to sell grain (which metabolizes into sugar) at the expense of the meat and dairy industry. That's what gave us the food pyramid.
table sugar and HFCS are both fructose. Both cause the exact same insulin response by spiking your blood sugar, which cause LDL cholesterol to become small and dense (as opposed to light and fluffy) and promotes plaque buildup.