That's the title of a new paper by Gene Callahan, which is out now. I read a draft of it many moons ago and liked it very much. It can be taken as a cautionary tale on a certain sort of embrace of rationalism.
Also - a fitting coincidence - Blogger tells me that this post about a great paper by Gene on liberty is also my 1776th blog post (that's probably not exactly true - I think it counts drafts I never published - but I still think it's fitting)!
The impossibility of true utilitarianism
3 hours ago