J Davey,
Atlas's response was not intended for this thread alone, but rather for a number of threads of basic questions that already been answered and given the same info, as well as advise on doing searches.
Basically, the same guy kept asking simple questions over and over again, and atlas got fed up of hearing it.
Let's call this the "Mommy, are we there yet?" syndrome.
When put in that context, I don't think his response was entirely unwarranted.