Why not all Islamist extremists are buoyed by the Taliban’s victory

Analysis: deep faultlines, especially with Isis, may counter Afghanistan's propaganda advantage for jihadists

Few doubt that the Taliban victory in Afghanistan will give violent Islamist extremists across the world a historic boost, encouraging them in their campaigns to overthrow and replace local regimes - but it has also revealed the deep faultlines that have weakened the jihadist movement in the past decade.

Sunni militants in the Middle East and beyond have already made clear they believe the Taliban takeover of Afghanistan vindicates their own strategies and ideology. Coming just weeks before the 20th anniversary of the 9/11 attacks, the events in Kabul have a powerful resonance. Many statements have been jubilant.