The British troops did a fine job in the South. Unfortunately some of their leaders left a lot to be desired. The have performed some of the same tactics in Afghanistan and it has not worked out either. You cannot not make deals with these people.
A better ally than most but their stationing in Basra reminded me of the WW2 policy that allowed them to bomb Germany during the night and forced the US to bomb during the day. Its like-Thanks for helping but don’t be such a wuss about it.