Give a kid a coke once in a while it won't kill him.
Give a kid a coke everytime he needs a drink and it won't kill him but it's not healthy either.
It's just like everything else people, everything in moderation.
Too much of anything is not good even water.
At the hospital the dietiticians regularly encouraged cokes to some of my elderly patients because of the sugar content and for hydration since many won't touch water. And the elderly tend to lose their taste buds and need something that stimulates their taste buds a little more. At least those who are not diabetic I mean.