The numerical issues here are incredible. Three million people trying to circle that black brick thing CCW seven times in one day.
Billions of Muslims required to make the pilgrimage in their lifetimes.
(And the Telegraph can't do simple math.)
Some cultures are inclined to stampede, and some aren't. In the French Quarter at Mardi Gras, it can be so dense that you can't even lift your arm to sip your Hurricane, but nobody gets hurt.