Even that... isn't great. Certainly step up from "just a bunch of carbohydrates" but not exactly super healthy either.
Fiber is a carbohydrate the body can’t digest so you can generally subtract them when figuring, but beyond that carbohydrates alone are just sugar as far as your body is concerned.
Also, all sugars are carbs but all carbs aren't sugar. Don't take shortcuts.
No, but most people shouldn’t be consuming it as a ritual.
But, I will also add that in the primary school we had to learn how to balance a diet over a full week. Because you cannot balance on a single day...
And musli isn't processed as much as other breakfast cereals. We don't know what causes it yet, but there's a clear correlation between eating highly processed foods and obesity.