I'm not looking thay close to the phone, I can see it while holding it normally. It's actually the first thing I noticed when turned it on, it's disappointing.
Must be defective then. This is one of those things that is hard to tell, especially on forums. Different people have different levels of vision and when we're dealing with something so tiny like the dense pixels on a screen, flaws can be obvious to some and invisible to others.
I have my Moto X 2014 and a GS4 side by side. While the GS4's whites look "bluer", they are cleaner than the X's. The X has some distortion for me when viewing a solid color. I can notice it at around 12 inches but it's so subtle and I know that 98% of the population wouldn't care. It really doesn't bother me, and that is saying something considering how picky I am. Yours probably isn't as subtle.
That's about it though. I only see it when looking at flat solid blocks of color. When looking at a photo, it is incredibly gorgeous. Comparing it side by side to a GS4 I can't tell a difference at all.