Sorry for getting all unfunnybusiness...
Well, for starters, there's no such thing as "Eating to death." Making someone's eating habits an almost suicidal thing is just...I'm sorry, but it's really awful. People eat poorly all the time, but that doesn't necessarily lead to death, and when it does it's only one contributing factor. It's certainly not that they're intentionally disregarding their immediate health, or are doing something that is guaranteed to make them sick. Eating poorly is just something people tend to do throughout their lives, and won't necessarily cause anything. Diabetes, heart disease, and the other ailments connected with fatness are highly genetic (as is fatness), for example. Lots of people who eat healthy are pre-diabetic, and worse they/their doctors don't pay as much attention because people assume it doesn't really happen to skinny people or people who eat well.

BMI is actually a crock of shit, and calling someone obese is hurtful to a lot of people. I'm pretty good about body acceptance and I don't think I could deal well with the WiiFit going, "Hey, remember you're fat?" every time I use it. It's a painful reminder that you suck, and associating that with exercise is no way to get healthy.

Finally, even if you don't agree with me on the healthiness of being fat or eating poorly, your comment just came off as so judgmental. And maybe you're that judgmental towards people who smoke, or drink, or do drugs, (or hell, chronically dieting, since that's also related with all the unhealthy stuff that supposedly comes from being fat) which are all about as unhealthy as being fat and eating poorly without being related to something you have to do to keep alive.

I direct you to the Shapely Prose archives for further information on fatphobia and fat shaming.