First, if you think this is a good idea, please go watch James Mickens' USENIX Security '18-Q keynote speech: "Why Do Keynote Speakers Keep Suggesting That Improving Security Is Possible?" https://www.youtube.com/watch?v=ajGX7odA87k
It's brief, entertaining, and grounding.
- - - -
The ultimate question is What is good?. That question is an open-ended intelligence test.
(In case it's not clear the connection is that figuring out the "best" course of action requires a similar kind of infinite or at least unbounded intelligence as the ION task.)