True, but at the same time many people discount the sugar content entirely, fruit is just good, so eating 3 apples, 2 oranges, and drinking a litre of Innocent smoothie is healthy, when that is very far from the truth. It is just a buttload of sugar, with no where near enough fibre to even vaguely counter that.
Yeah the amount of people I talk to in work that drink smoothies can't understand why they aren't good for you at all, and juice even worse.
Just eat the damn fruit and veg as it is.