Do you pay attention to the by-lines under questions?

Very much so.

Knowing the people it gives a good indication of which questions are frivolous and which 'have meat on them' ;-))

Can you imagine Stepper asking a frivolous question ? How about Randy B ?

Yet even the silliest question have some meat on it; if only you can find it.

For the record, I agree. :)

:)

Sure

Its a good idea if you want to make sense in your answer that is why.     If there are "by lines" or explanations, there is a reason.  

If you mean the text under a question, then the answer is yes!  It can make a big difference on the context of a question.  

:)

:)