For those chiming in with that backlight problem is horrible, take most cheap digital camera which includes every camera in virtually every phone, and point it at your tablet while it is on the start up screen. You will usually find it looks just as bad. Such devices cannot spot meter so it tries to average light exposure or emphasizes the dark which results in all light being over exposed. That includes the obvious logo exposure in the images. In this case, you can open that image in Photoshop and reduce the exposure by five full stops and while the side light is gone, the logo is still on the screen with clear evidence of over exposure/over saturation. It is not that they are faked by anyone, just that you are seeing images that tell you absolutely nothing given the limitations of the camera used.
By my estimation, if you reduce the exposure it will look like just about any other screen. From my perspective, I would ask the same question in this case as I have of others. Can you see the problem when you are actually using the device? If not then why are you complaining about what the display looks like on startup. All back and side lit displays do the same thing to some degree since it is simply a reality of the laws of physics. As to getting a second and finding it defective, if you choose to be an early adopter of ANY device, that is a risk you take. As a point of reference that applies to Apple's supposedly flawless devices as well. Take a look at any Best Buy's open box page and you will find the most available open box tablet is almost always the iPad. Sorry to be so blunt but as far as "I give up" goes, if you don't want to deal with early adopter problems then don't be an early adopter. So far there seems to be no greater frequency of defects in the Surface products than any others.