Ok, at least check the videos where night scenes exposure changes (without lens cap on). I can't believe how people defend a brand blindly. CANON THEMSELVES ACKNOWLEDGE THE PROBLEM!! IS THIS NOT ENOUGH PROOF?? I understand that this could happen to any company\product, it is a fact which we all will forget three months from now!
Can you point to some of the videos of the lens cap off that demonstrate the issue? I did a quick look and the videos I saw of the lens cap off did not have the issue. They only ones I saw demonstrating the issue were when the lens cap was on or no lens at all with the body cap.
If this is all that it is, when in the complete absence of light a few stray light waves manage to get in an effect the metering of a completely black scene so that it is a slightly different shade of completely black, then I am not worried in the least. I doubt that Canon would even make any fix to the camera at all.
If someone could demonstrate how this effects things while actually taking a picture of something, then that would be great, but I haven't seen that yet, and I've been trying to look for it.
Here, I'll even give an example that should demonstrate the issue. Maybe MrSandman can do this and post results. Stand outside in bright sunlight with a telephoto lens and take a picture through a window into a darkened room. Then go into the darkened room and take another picture. When outside the direct sunlight should cause the light leak issue and screw up the metering. Post both pictures so we can see the difference.