Is this for real?

You may be right given that they run at an angle and not full on.
The difficulty would be that a stone is usually flat to skip with the weight being distributed over a wide surface whereas ours is basically all at our feet.
I'll have to try it and look like a complete moron.
And good point...don't belive what you hear on tv-right or left
watch Newswipe on BBC4 lift the lid on how the news is skewed.