> The hidden assumption you make is discussed as the Preference Satisfaction Thesis in the philosophy of welfare economics, it's the idea that people (subjectively) prefer what is best for them.
The hidden assumption in that framing is that there's an objective measure of "what is best for them" which somehow isn't based on what people subjectively prefer.
The hidden assumption in that framing is that there's an objective measure of "what is best for them" which somehow isn't based on what people subjectively prefer.