Over 90% of the "7,168" languages they mention are slightly different dialects of common languages. Arabic probably makes up 1/3 of those "7,168" languages. I

Over 90% of the "7,168" languages they mention are slightly different dialects of common languages. Arabic probably makes up 1/3 of those "7,168" languages. I think the claim that there are "7,168" languages is a result of publish-or-perish.