One of the problems when debunking utilitarianism in economical discourse is that it is easy to make sophistry with the concept ; essentially any behaviour can be made to look like rational maximisation of an utility function. (for various meanings of rational, maximisation, utility and function).

The fact that most exchanges are regarded as demand and consumption is one of the damage done to society by the Great Transformation, too. I don't "consume medical service", I have a social relationship with a doctor that tries to keep me healthy. Yet the extreme monetisation of these kind of exchanges, as they must fit in the greater economic schemes, makes the social part had to maintain.

Un roi sans divertissement est un homme plein de misères