Some Truths About Islam And Its Followers

If Christianity has well over 1 billion believers with multiple different sects, why wouldn't Islam with almost as many believers not have multiple sects as well?  

First of all its clear to those who study religion is that Islam is

divided into two main groups, Sunni and Shia. Shafi, Hanafi, Maliki and Hanbali are the four religious Sunni Islamic schools.

Hanbali is the the most extremeist of the Sunni followers. The Hanbali group is the group that has the most extreme Hadith but they also retranslated the Quran their way. 

The other Sunni are modern and as moderate as any normal christian group. The Hanbali group broke even further into Wahabi in the 1800s. 

Now for the Shia muslims they don't follow any Hadith of Sunni which are the Ṣaḥīḥ al-Bukhār and Sahih Muslim.  The Shia follow the teaching of Imam Ali and the 11 other Imam. The translation of the Quran the Shia follow is the Nahjul Balagha written by Imam Ali it is translated today in English called the Peak of Eloquence. This book is taught in many universities in Europe. Many in the education community state it has strong values in humanity which is why it is taught in many universities.