The criteria can be pretty weird.

For instance th Xiaomi Ultra 17's main camera is faulted for having shallow depth of field or "autofocus decision errors", which I assume just means the auto selected subject wasn't the person straight in front of the camera ? [0]

These tests seem to be about versatility and predictability more than sheer performance.

[0] https://www.dxomark.com/xiaomi-17-ultra-camera-test/