I think we should lower it from 5 to 3.
In regular voting of questions and answers all votes count.
In closing and reopening they only make a difference if the threshold is reached, and this very rarely happens on our site.
I would like those votes to become more useful and meaningful, as that would help build further our culture of community-driven ...
This answer is aimed at the case of new users.
There will always be some random downvotes on different posts, no matter what, and some will dislike Greek or some other topic.
Those are a different issue.
(Although I mention that I did edit the help pages and the tour to make the current Greek policy more official.)
We have two goals:
Be nice to people.