Wednesday, May 07, 2014

confusing the right to be heard with the right to be taken seriously


skepticalscience | In a recent interview, federal attorney-general George Brandis laments that deniers of climate science are being “excluded” from the debate. On the surface this seems a justifiable complaint, but the point hangs on what he means by “excluded”. Brandis said he was:
…really shocked by the sheer authoritarianism of those who would have excluded from the debate the point of view of people who were climate change deniers.
The literal sense of “excluded” implies that no commentary is permitted that does not resonate with accepted scientific wisdom on climate change. This is clearly not the case. Australia boasts one of the world’s best examples of mainstream climate science denial, evident in both expressed political opinion and in the provision of media platforms for those wishing to express such views.

A more figurative sense of “exclusion” might be that those who do not accept the scientific findings are under social or political pressure to keep silent. This is where it gets interesting.
Echoes of vaccination and evolution ‘debates’
Debates over disparate areas such as vaccination and creationism survive because of a call to see both sides of the coin. The truth, at least for these issues, is that there is no coin. To pretend otherwise is to perpetuate an irrational approach.

Climate change is not as well understood as vaccination or evolution, and I would not put deniers of climate science in the same camp as anti-vaccination and anti-evolution movements, but there is an increasing trend among them all to adopt similar methods.

The most obvious of these is appealing to the right to be heard, to see both sides of the coin. Brandis hopes that our natural repulsion at excluding a particular view from the public arena will be aroused in support of climate science denial. This, however, ignores a vital characteristic of public debate: when ideas suffer body blows of sustained scientific refutation any attempt to maintain their status by appeal to an equal right of hearing is also an attempt to exempt them from evidential requirements and argumentative rigour.

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