While the previous bookmark I published on the "I have nothing to hide" myth was of rather academic nature, "Modern myth: Nothing to hide?" by Leena Simon from the German privacy and digital rights organisation Digitalcourage* summarizes arguments why this is a dangerous fallacy in ten simple points:
Anyone who is concerned with surveillance will hear this statement over and over again. Though dangerous and false, it is very persistent. And we are fed up with it. Ten points against the notion that you have “nothing to hide”.
* You may have heard their name, as they are the ones giving out the annual "Big Brother Awards" (in 2018, amongst others, awarded to Amazon's Alexa, Windows 10, and the "Smart City" concept...)