fifteensquared.net is great for explained answers, see eg http://www.fifteensquared.net/2018/03/09/independent-9798-ph... for the WINDMILL explanation.
The reason I ask is that only British people seem to add "lovely" in their sentences.
Also, I now learnt that the WINDMILL answer refers to something in London. I don't know how outsiders — say a random person from Argentina — is supposed to know that.
Also yes, your Britometer is operating correctly.