Full Idea
All this chat about 'utility' already presupposes that what is useful to people has been defined: in other words, useful for what! i.e. the people's purposes are already taken for granted.
Gist of Idea
Talk of 'utility' presupposes that what is useful to people has been defined
Source
Friedrich Nietzsche (Unpublished Notebooks 1882-84 [1883], 7[030])
Book Reference
Nietzsche,Friedrich: 'Fragments from the period of 'Zarathustra' (v 14)', ed/tr. Loeb/Tinsley [Stanford 2019], p.225
A Reaction
When they stopped talking about utility they talked instead about 'benefit', but the same objection applies. This is the problem of paternalism in Utilitarianism, which leads to Preference Utilitarianism, which probably doesn't help.