it only shows two things, the number of visitors and from which country. this little bar visible in the bottom of page would be valuable. if it ain't posses any hackable risk to the site it should be put into consideration.
Alexa its job, its to show the site place on the search favoritism. it does not give the clue how many visitors are there. I think its important to know to how many folks we reach and which country take a note.
“a true believer as a person so fanatically committed to a cause that no amount of reality can make him abandon it”Eric Hoffer