Actually, this may be due to an attempt to Google Bomb the term “Islam is..”
If you do the same thing with “Koran is”, “Quaran is”, “Allah is” or “Mohammed is” you get similar results to what they describe for the other religions.
Google’s machines will block Google Bombing attempts so there may have been a move recently to Google Bomb the term “Islam is” that resulted in this.
Actually, this may be due to an attempt to Google Bomb the term Islam is..
If you do the same thing with Koran is, Quaran is, Allah is or Mohammed is you get similar results to what they describe for the other religions.
http://thenextweb.com/2010/01/05/google-blocking-negative-search-recommendations-islam/
So the reason that Google tolerates the google bombing of Christianity is...?