To me that looks like chalking on the UV cover on the rip stop. It has nothing to do with the quality of the material and will be more prominent on some colors than others. This was the same with Cabrinha a few years back. It has nothing to do with the material but rather the bi-effect of the UV coating used.
Dont worry about it and go out and fly it instead.
don't worry? this cloth looks like it was fluttering on the wind for a long time. my 2yo kites cloth is in better condition than that!
big kite brands are just simply arrogant and really sloppy with their consumers.
Airusher, you should demand a replacement.