One of Pickett and Wilkinson’s severest critics – the non-peer-reviewed Christopher Snowdon, author of The Spirit Level Delusion – is taken aback. ‘This displays an eagerness to close down debate and hide behind the supposed gatekeepers of knowledge’, he tells spiked. ‘Some people who don’t understand what peer review is seem determined to present it as some arbiter of truth’, he continues. ‘But it just means a study is fit for publication or is not obviously fabricated.
Well, that's what happens if your aim is consensus ("group solidarity in sentiment and belief") rather than a sound understanding of a problem.