The guy is a councilman, so his reach is really not that far. He can't create laws, but can really only take care of small problems.
I am not sure where to find it, but I would like to see his voting record in City Council to see what he has been for and against...because the City Council passes some pretty dumb legislation.
Otherwise, a good councilman is measured by what they accomplish for the average person. When I have lived in other towns, when I wrote to or called my councilman, things got done. My problems, no matter how small, were fixed. Lights in a park, curb damage, various unsafe conditions.
So does Vallone handle that stuff? I really don't know. I know that he push community watch programs pretty hard which I like. Otherwise I haven't interacted with his office much.
But if you don't like what Astoria is "becoming" because hipsters are here, then that isn't his fault, and you probably have to just get over the fact that this is an important neighborhood that will grow and change whether you like it or not. Crime isn't his fault...it's on the rise everywhere. If you complain about crime then I expect you are involved with the Community Watch program and playing your own part as well, right?