actually, your first comment to his post was overly dismissive (an attempt to steal the wind from his sails). Your assertion was that there was nothing left to know about DS; therefore, he was asking for tips to riding a bike.
I can see where that might put someone on the defensive.
I actually gave what I thought was pretty good starting off advice
it was the equivalent of saying "buy low, sell high" to someone looking for advanced goblin AH techniques. You were being dismissive... most of us ignore it because we've learned to expect it from you.