They're just trying to show the design similarities. Aspect ratio was not altered.
The end result appears to be, in both the tablet and phone filings, that the alleged image manipulation produced something that appeared more similar to Apple's products. That the image manipulation is different (aspect ratio adjustment, vs resizing) seems to be more damning than if the same adjustment was made across the board (i.e. it looks less likely to be accidental).
You remember "not actual size", right?