They who live by the sword...

Why are we agonising about the death of these two British men who were killed by a deliberate missile strike carried out (at arms length) by the RAF in Syria.  If you take up arms against this country, then you must expect retaliation in kind.  This has been described by some critics as an "extra-judicial execution" but this confuses the justice system with the rules of war.  If they could have been brought before the courts then the law could have taken its course, and doubtless they would have spent the rest of their lives in jail, but as this was not possible then they had to be stopped by whatever means are available. They chose to tread the path they did - their choice, not ours.