This is my issue with a lot of the snide dismissals of utilitarianism from the Bleeding Hearts Libertarians crowd …

thegoodutilitarian:

Any criticism of utilitarianism that argues that using utilitarianism produces bad outcomes or sub-optimal results misses the point and is wrong almost by definition. If an outcome is less than ideal from the perspective of maximizing utility, then utilitarianism cannot point to it as the best…

The Good Utilitarian: Utilitarianism, best solutions, and wealth redistribution