contrarian n : an investor who deliberately decides to go against the prevailing wisdom of other investors

A contrarian is a person with a preference for taking a position opposed to that of the majority. A contrarian style of journalism, exemplified by Slate magazine, has been popular, but has also been the subject of severe criticism. Contrarian styles of argument and disagreement have historically been associated with radicalism and dissent.

Contrarian journalism is characterised by articles and books making counter-intuitive claims, or attacking what is said to be the conventional wisdom (a phrase due to J. K. Galbraith) on a given topic. A typical contrarian trope takes the form "everything you know about topic X is wrong".

A critical article by Alex Pareene in New York Magazine listed a number of examples. The 2 are:

Slate magazine, notable and often mocked for its contrarian style, has collected a set of parodic proposed contrarian titles appearing on Twitter. Writer Juliet Lapidos observed "Maybe it's contrarian for us to say so, but some of these are quite brilliant."