I think the best part of his statement is that he insults lots of PlayStation gamers as well. It's quite certain that some of the DS kidz will have a PSP or a PS3 or both.
"Hey mr. Tretton, I really love PlayStation! I use my PSP and my PS3 all the time!"
"Excellent, then you are welcome into our pure and noble famil...wait, what do we have here?"
"It's a DS, sir, but I swear I only use it for Pokém-!"
"That's no excuse you little twerp! We don't want any mudbloods in our family. GTFO!"
"Eek!"