This discussion came up here, by a comment from Oded:
We are discussing internally whether there is a good reason to hide this value from everyone. If not, it might do a comeback.
I know it is a duplicate of Showing number of helpful flags in user profile, but that one doesn't have an answer of one of the community managers, and the discussion seems to come up again.
So what do you think? Should helpful flags (or even number of declined flags) be public?