https://news.ycombinator.com/item?id=27496987
> "When you see [flagged] on a submission, it means that users flagged it (this is in the FAQ: https://news.ycombinator.com/newsfaq.html). We can only guess why users flag things, but in this case it's pretty easy to guess - just read the first part of the site guidelines: https://news.ycombinator.com/newsguidelines.html."