Most Christians know and believe that fornication and adultery are out with God. We usually agree that illegal drug use is a sin. Drunkenness and pornography are routinely condemned by the church. Because these things go against Scripture and are harmful to human beings. Since then, I have often heard the same sentiment, usually from overweight believers.
Some people even laugh about the way they themselves or other believers eat, thinking it's funny.
We sit down to meal after meal after meal, snack after snack after snack, eating in ignorance, or to the contrary, in absolute rebellion. If gluttony were preached against as often as adultery, there would be a lot more pressure on folks to get some control over that area of their lives. But in the churches I've attended, eating has been a part of nearly every function, whether it's mealtime or not, and the teachers have fed the children cookies, candy and crackers loaded with fat, sugar, flour stripped of its nutrition, and artificial colors and flavors morning, noon, and night. It's no wonder our pastors aren't addressing the issue of eating, because they're probably afraid three-quarters of their congregation would get mad and leave. That could be embarrassing.