Screen uniformity on 14" and 16" M1 Pro MBPs

Hi all. I'm wondering what your experiences are with the screen uniformity of the XDR displays on the 14 and 16 inch MBPs. I recently bought a 14" and fairly quickly noticed that when scrolling through white documents etc, the uniformity of the white or grey colour is not great. You can see faint patches/splotches of screen that are very slightly warmer than the rest. It is by no means very noticeable, but the kind of thing you start seeing when you are staring at your screen a lot. It might be worse on pale grey/pale blue backgrounds too.

I have had a look at a few of these models in shops and noticed that the uniformity is actually often quite shocking. It is not so bad on my screen, but they often have the blue shadow at the edge of the screen, and sometimes are darker away from the middle too. I'm sure if I stared at them for long enough they would also have these warm/cold patches too.

Do you guys notice this in your usage? I am a scientist, so my work involves reading lots of papers with white backgrounds. I am desperately trying not to pay attention to the uniformity, but it is quite hard once you've noticed it. I still have a week or so to return the MBP, but I have a horrible feeling that I will just get a worse one if I buy another! It is genuinely making me consider just getting an M2 air and dealing with the 60 Hz IPS display instead.

I have tried to capture it on camera, but it is quite difficult as it shows up other patches that are not visible by eye. Ignore the lack of notch, I couldn't get it to display in that part of the screen. https://i.imgur.com/RZX8GBy.jpeg

The lower middle part of the screen is the bit that I notice the most.