Um, the original film had Roald Dahl as a screenwriter, all the stuff about the competitors, "My dear boy", a non-pathological Wonka (liking or not liking isn't the point). The one had a few nice production elements, and kept all the morality poems about vice and virtue, but is still deeply flawed.
Using shampoo *every day* is a bad idea, but a little once or twice a week--or, say, after burning wood outside--make sense to me.
@Oliver -- so why does your wife still use shampoo?