Unlike detergent foams, which famously stand up to grime, beer foams can be destabilized with a bit of oil.
A change in the airflow destabilized the kite.
There's nothing necessarily wrong with such a policy, especially in a still poor country whose financial system might all too easily be destabilized by volatile flows of hot money.
Poor, middle-class and affluent children are all destabilized, even those who get to spend nights indoors.
That could galvanize the flight of capital from emerging markets that has already destabilized, for example, Mexico (the peso is as weak as its been in over 20 years).
