Sure, but presumably you hone your senses as to which subs are trustworthy and which are not. For many classes of queries, there are some well-established subs

Sure, but presumably you hone your senses as to which subs are trustworthy and which are not. For many classes of queries, there are some well-established subs already. Then it is a simple matter of parsing the comments, and the signal-to-noise ratio tends to be fairly decent for lots of things still.