Putin forgot that Islamic State thinks he's part of the West
For Islamic State or al-Qaeda, Putin’s military interventions in Syria and Chechnya are no different from America’s in Iraq or Libya. The presence of a large Russian military base in predominantly Sunni Muslim Tajikistan — the ex-Soviet country that the arrested suspects may have been from — is no less offensive to Islamist ideas than the presence of US military bases in the Gulf. Russia is for them a part of the Christian West. It doesn’t belong anywhere on the territory of their imagined Islamic caliphate