I'm not sure you can draw that conclusion. A significant number of people "flagging" something as uninteresting _to them_ does not necessarily indicate that it

I'm not sure you can draw that conclusion. A significant number of people "flagging" something as uninteresting _to them_ does not necessarily indicate that it is uninteresting to "hackers". People have all sorts of reasons for flagging, but they should normally be positive ones e.g. "this violates some guideline and here's why", not "I do not find this interesting and therefore no-one else will".