Why do ISIS and the Taliban hate each other?

In other words, while ISIS fights to establish a Caliphate encompassing the entire ummah (Muslim community), the Taliban merely seeks to establish an ... to outsiders, it cannot but be a good thing that the Islamist terror groups of much of the eastern part of the Islamic world are at odds with each other. read more

At one point the Mujahadeen were killing each other more then the Soviets were in Afghanistan. Its hilarious in a way, that all of these "hardcore" followers of Mohammed cant seem to get their act together and focus on one enemy. They are always fighting each other. Finally, consider the terms of power in Afghanistan. read more

ISIS on the other hand says, no this *is* the true caliphate, regardless of what al-Zawahiri or al- anyone else says, and it will continue to defend itself and govern its land (and try to expand) as such. read more