"Note to all alcoholics..."
is not a statement of what an alcoholic would do, it is a warning with a prescription of what they should do - that is policy
OK, then I guess we have different definitions of "policy." For me, "policy" is a rule that a decisionmaker in charge of others decides to implement in order to change the behavior of said others. I wouldn't impose, as a policy, a rule that people should never turn themselves in if they wouldn't get caught otherwise. But given current incentives, I don't think that any rational person should do so. For me, "policy" is never individual unless qualified by the word "personal." Thus, it might be my personal
policy not to turn myself in if it's not in my best interest, and I think that would also be the personal
policy of most rational people. But I don't use the general term "policy" in that way. Therefore, I advocate utilitarianism for policy decisions, but not for your personal
EDIT: re the entry above: exactly. I go with definition 2(b). 2(a) is too broad for my purposes.