Ok so this "nothing to hide, nothing to fear" argument is so recurrent I once went looking where it came from. The oldest account I found is in a religious book from 1832 [1]: "We must have nothing to hide, nothing to fear", but, and this is the important bit, this is in the context of your relationship with Christ. Later accounts are mostly from judicial documents like "well tell us what happened, if you have nothin…
Right, I don't think I've ever actually seen anybody make the "nothing to hide" argument. Maybe it was used more commonly in the past, but I only ever see people pre-emptively attack it without prompting. It seems to be a special case of a straw-man argument: a no-man argument. It's not the only such example, but it seems to appear without fail in the top comments in any discussion of privacy issues.
https://news.ycombinator.com/item?id=46250556
> In practice I'm not even getting "tracked". No one is likely to be looking up my license plate and looking at my movements, because I don't do anything that would warrant that kind of attention