They mean to get stabbed by a knife, a common misconception about the east bay. Yes there's violence, but theres also beauty, you just need to know where to go and where not to go (san francisco is the same).
The thing that is going to kill quora is an audience, an audience outside of the current VC circle jerk they have. The big problem with that? 200k monthly uniques is NOTHING, and the quality is already massively suffering.