I keep making the comparison to nicotine gum/patches, but for food. I'm hoping that such a simple analogy might help some people move past their innate biases, but not much traction so far.
In western societies with high levels of obesity, health is a signal of wealth and prestige. There's no "innate bias" here, just alarm over the debasement of the value of being thin and healthy. It's a cruel posturing, nothing more.