Thanks, I'll look into it.
(And all my ranting still didn't address the fundamental difficulty: There is no rational way to choose from among different projections of values held by multiple agents, projections such as Rawlsianism and utilitarianism.)
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.