Maybe because of pixel shifting to get 1080p and moves to merge RGB colors we have a shatter effect that written about in Image quality subjective review.
Where the pixel shift might be objectionable is very very fast action, such as sword play scenes or when punches are being thrown very near to the camera. In this case it appears the PPM GPU can’t keep up and drops the highly changing frames, and the pixel shift drawing style exacerbates the issue.
For me it is all somewhere between truths. Because I’ll have 1080p on a wall, but with some kind of shortcomings or crutches which I can’t see in first use (or in a store for preview when it will available), but I’ll recognize during usage of PPM.