The cables reveal that Netanyahu is a prevaricator. That he has been lying about his intentions, and his actions. Just because everyone in the region shares a common distrust of Iran shows nothing about Netanyahu. The Leaks show that Netanyahu has repeatedly lied to the US about his intentions to make peace. They reveal that he has told Israelis that nations who cooperate with Israel are mortal enemies. Though Israel does not come off so bad as many Arab nations, Bibi appears to be a man who would lie about anything.
from the article: We don't need WikiLeaks to know Netanyahu is unreliable