Colorado has about 1 in 5 obese people. That's already making "overweight" look normal and normal look thin.
If you're a non-hispanic black in America you're already in a group that's over the articles 42% in 2030 obesity rate: 44.1%
These are CDC figures. They are gently tricky because they're self-reported.
Rice isn't bad for you. Healthy people around the world have been eating it for hundreds of years!
You cannot go to the convenient and ubiquitous street food vendors/fast food places in america and consistently eat food that will stabilize you to a flat stomach body. In Thailand, you can. It is a large reason why many Thai's are amongst the least overweight people in the world, and you see similar results in developed asian countries. It's not because they have more 'willpower' or other such things. Even though they have carbs in their diet, they have a very different composition and ratios of the types of nutrients they eat and sell as fast food.
This food environment difference results in the statistical difference in obesity statistics, it's nearly inevitable. That is why I said to compensate for the negative food environment in the USA, you have to do more extreme things.
The carb heavy and low fat diet you espouse is a part of the problem. Since the USA started espousing a high carb diet in 1984, obesity rates have been rising linearly and haven't been stopping.