If they were they wouldn´t be killing eachother across the entire arab world, it is obvious that they are not the same,linguistically and genetically the same perhaps, but that dosn´t make unity. Not even one of the smallest nations the palestinians are unified. It´s one of the big problems of the middleeast the idea of a unified people called the arabs. They drag eachother down with that misunderstood idea.
Cease-fire breaks down in three areas in Syria, monitor says (Reuters)
from the article: Syria crisis reveals hypocrisy of Israel's Arab MKs