You see the same problem with Google Guide questions these days -- in the last year or so the number of "I don't know" answers I see has risen tremendously. (So

You see the same problem with Google Guide questions these days -- in the last year or so the number of "I don't know" answers I see has risen tremendously. (Some respondents are even hostile, recently someone asked whether a nearby pub allowed pets and the answerer went on a tirade about animals in public spaces...)