If Huang or others can successfully use nanotechnology to create junk food that tastes as good asever but has fat and sugar replacements, or perhaps employs nano-particles that prevent fat or calories from being absorbed and stored by the body, then they've got the holy grail of food.
To them, it is entirely understandable that low-risk things like alar, cyclamates and nuclear power are feared or banned, while hazardous activities like riding a bicycle, eating a high-fat diet and driving at night are as prevalent asever.