There is no downside to carrying a weapon. Unless you are looking at it from the point of view of the would-be rapist/robber/thug.
There is plenty of potential downside.
Many CCW'ers do not have the mindset.
Many, but it is not typical.
CCW holders have a much lower crime conviction rate of any other demographic on the books, except for maybe Amish lesbian paraplegics.
I am not talking about CCW's committing illegal acts.