Because people are idiots?
(
Rebel biscuit stercore sumus et nos esse novimus,
Fri 12 Jun 2009, 13:30,
archived)
Well, it's probably more like : "people who agree to do surveys are idiots"
but in this case, the surveyed were outpatients, presumably with lots of time on their hands, so that doesn't hold.
(
The Alchemist king of the needlessly complicated,
Fri 12 Jun 2009, 13:33,
archived)