Originally Posted by
pdxer
...what she is probably doing is tapping an icon but missing it just enough so it hits the background instead of the icon, with the tap having enough side movement to be taken as a swipe (and it doesn't appear to need all that much)...
That may well be what's going on. Perhaps her fingernail is hitting first, followed milliseconds later by her finger pad itself offset horizontally, which the iPad is interpreting as a swish.