Do you consider "sorry, don't know" a cheat as an answer?

I have lately been cruising the old questions with no answers at all. And so very often my answer is chosen as best because it is the only. And sometimes my answer is an elaboration on "I don't know, but . . ." offering whatever advice I can give on how to find out. But I just answered one that... show more I have lately been cruising the old questions with no answers at all. And so very often my answer is chosen as best because it is the only. And sometimes my answer is an elaboration on "I don't know, but . . ." offering whatever advice I can give on how to find out.

But I just answered one that had several answers, and the FIRST one was "Sorry, don't know," without more. Why should anyone get points for that? If that's not a pointless answer, what is?
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