The Heresiarch has hit the nail on the head perfectly in the linked post, highlighting the government's mendacious approach to science (and supporting it with quotes from an academic whose research was disregarded in favour of "data" from pressure groups);
We've seen this process in campaigns to tackle binge drinking or obesity (aka "the obesity epidemic"), in demographic predictions and assessments of terrorist threats, in education policy, in foreign policy - in fact, there can be few areas of government policy untainted by the selective use of statistics and tendentious research. The government has loudly proclaimed its commitment to "evidence-based policy-making" while instead pursuing policy-based evidence making. In the short run, this has produced some extremely bad legislation. In the longer term, it risks destroying public faith in any evidence put forward by the government. Even when their figures are accurate no-one will believe them.
"Policy-based evidence making". Le mot juste, and sadly all too true.