Cereals can be healthy, but Cheerios are a refined form which is obviously sub-optimal. If you want a carbohydrate rich breakfast, a fiber-rich alternative like steel cut oats provides superior benefits.
Agreed. But if I were to rank Cheerios, they would rank quite high. No added sugar or sweeteners. Important vitamin fortifications. No fillers or other bad stuff. And oats aren't bad in terms of glycemic load and aren't a common allergen. I would give Cheerios either a B+ or A- whereas steel cut oats are like an A