Fear my paint skills !
The camera has 5 axis stabilisation and other factors such is not having a global shutter - (no consumer accessible ones do) come into play. maybe movement in multi axis causes more distortion. - I do recall seeing some accuracy tests done with on/off It was interesting, and different situations caused issues at different times. - It is pixel peeping - however the software does love pixels…
Here is my totally unscientific and inaccurate & exaggerated portrayal of how things work. Although I believe fundamentally correct… I think…
Based on regular awkward, non ideal lighting conditions.