Lively, if you read it in context,"of "disastrous consequences" if the US were to attempt any more unauthorised unilateral military raids of like kind within Pakistan." they were concerned that they might be an unintended engagement.

Richard,that was not a nice thing to say about me, and it is not true.
Wars do sometimes have to be fought.
In war it is accepted that you must kill enemy combatants without warning or due process.
OBL was an enemy combatant.
I find it surprising if he did not have some way of taking some Americans with him.

I am not knowledgeable on the law regarding drone strikes, but they have been happening for years now with no legal challenge.
They are also credited with turning the tide against the insurgency.