I once simply pointed out how an equation in a climate science paper didn't make sense because there was a unit error (there was exp(x) where x was not unitless) => removed.
Ever once in a while I ponder how many people are unnecessarily stuck in jail because of that one subreddit then feel ill and have to stop thinking about it.
It's fairly well known at this point, I see multiple relevant threads on the first page of https://www.google.com/search?q=reddit+r%2Flegaladvice+moder...