Is this a feasible idea? Putin to cordon off all of Chechnya, then tell the people that they can move out (and the govt will help them find new places to live -- very important). Those who wish to leave can do so by leaving their weapons. then, Putin bombs the **** out of the place.
No it's not.
Many innocent people will stay while many bad guys will leave.
Stalin already tried this. He sent all the Chechens to Siberia during WWII.