I would be fine if Putin and ISIS had it out, because they both enjoy killing innocent civilians. The problem is that it mostly innocent civilians that pay the price.
A little history: On 30 September 2015, Russia launched a military intervention in Syria after a request by the government of Bashar al-Assad for military support in its fight against the Syrian opposition and Islamic State (ISIS) in the Syrian civil war.
In the republic of Dagestan, a brutal separatist insurgency has long fought against the Russian state. Now, as many as 5,000 Dagestanis have left to fight for the Islamic State.
Mar 26, 2018 — The return of ISIS fighters to Chechnya could pose a security challenge for the war-torn Russian republic.