The lethargy and illness caused by sugar change people mentally making them cranky and sapping their energy. It also heightens stress and blood pressure. The only time people with an overabundance of sugar in their diet feel happiness is when they are eating more empty calories. Sugar makes your pp smol.
Processed sugar is pure, pure evil. It’s a high chemical dose of brain-altering metabolism changing evil and it is so cheap that using industrial waste products like sawdust would be expensive in comparison.