On Tue, 18 Aug 2015 19:38:58 -0700, Ashton Crusher wrote:

Drunk driving did not go down at a rate of 50% per year at the same
time that Cell phone use was going up for 50% a year.

That's a key part of the paradox.

The only explanations given, other than there is no net effect
on accident rates, is some preposterous alignment of the stars.