I couldn't agree more. Was there really any need for the immaturity/racism near the end? Obviously He is just telling you how it is and you can't be mad at him for that. Besides, any runescape player knows its near impossible to get those rares so why you felt the need to ask him is beyond me. You didn't actually think they would get you any rares at all for the prices they offer on the site, did you
Also, you'll find that if your nice to the people who might be working on your account, they will be MUCH more happy to help you and it only betters your chances of not being scammed.