Sadly IS is a very strong, very rich organisation.
They have millions of pounds from oil and other sources. They have lots of radicalized foot soldiers who are ready to die without question.
They have many very bright, sophisticated, evil members and have no regard for humanity, even their own followers.
Another big worry to me is they understand our way of life and what makes us tick. Many come from within us.
Very hard to conquer as they are, without factions growing up within their ranks who stand again them. Very much like the Hydra of Greek myth. Cut one head off and two grow!!!!!
The attacks have left me feeling pessimistic....sorry.