I think the way you justify it is that there are little to no high quality component cables for the 360.
I know pelican, and some other company makes them but I havent used them.
I use the Microsoft components right now. (The only reason I havent bought them is because of the rumored HDMI 360. I own a 55" A2000)
I have used the Monster series component cables on both the original XBOX as well as PS2 and could always see a major improvement over the cheap...