The key to these rankings is subjective weight that goes into different components of the product. I value personal space more than anythnig else, so a first class configuration that’s four seats across isn’t going to rate as well for me as one that’s two or three seats across.
I’d never rate Air France or Garuda as highly as others — despite phenomenal ground service and attentiveness — because of the lack of real estate each first class passenger gets in the cabin.