What seems to be the narrator's own attitude towards the history of British maritime imperial enterprise?

Check out this quote from chapter 1. It pretty much sums his attitude up,

"They were conquerors, and for that you want only brute force—nothing to boast of, when you have it, since your strength is just an accident arising from the weakness of others. They grabbed what they could get for the sake of what was to be got. It was just robbery with violence, aggravated murder on a great scale, and men going at it blind..."