My question is prompted by this question. It is clearly off-topic, and of so little substance that it isn't even one that's worth keeping around even while closed.
So if it gets closed while its answers have 0 votes, then it can eventually be auto-deleted.
So how should we decide whether to vote for its answers? DJClayworth's answer is decent, but it's not amazing. And I'm sure he's said similar stuff elsewhere, so it's not like much will be lost if it does get deleted.