Brandolini's law, also known as the bullshit asymmetry principle, is an internet adage coined in 2013 by Alberto Brandolini, an Italian programmer, that emphasizes the effort of debunking misinformation, in comparison to the relative ease of creating it in the first place. The law states:
The amount of energy needed to refute bullshit is an order of magnitude bigger than that needed to produce it.
The rise of easy popularization of ideas through the internet has greatly increased the relevant examples, but the asymmetry principle itself has long been recognized.
Origins
The adage was publicly formulated in January 2013 by Alberto Brandolini, an Italian programmer. Brandolini stated that he was inspired by reading Daniel Kahneman's Thinking, Fast and Slow right before watching an Italian political talk show with former Prime Minister Silvio Berlusconi and journalist Marco Travaglio.
Examples
The persistent false claim that vaccines cause autism is a prime example of Brandolini's law. This famous case involved British doctor Andrew Wakefield...