Is there a term for the tension that occurs when objectively optimal policy falls outside the window? I'm not proposing that it's possible to identify a truly

Is there a term for the tension that occurs when objectively optimal policy falls outside the window? I'm not proposing that it's possible to identify a truly optimal policy mix, only that there might be (at least) one and I'm curious about what happens to society when it falls far outside what's acceptable to discuss.