Ultimately, arguing that you don’t care about the right to privacy because you have nothing to hide is no different than saying you don’t care about free speech because you have nothing to say.
- snowden
Mullvad also put together this recently: https://mullvad.net/en/why-privacy-matters/nothing-to-hide
The article said the man had done similar with airport wifi and a place of prior employment. But the airplane one is an odd choice