You look for the keys only under the light pole where there is light. If you can’t find them there assume a black hole materialized and swallowed them then disappeared.
More generally, sticking with an approach that "works" by some shallow criterion, even though on deeper analysis it doesn't work, because the alternatives are not as good by the shallow criterion.
The example I point to is tokamaks for fusion energy.
The example I point to is tokamaks for fusion energy.