We score many things in our life.
We, individually, do NOT score things in the same way. Collectively, as in average, "we" might. Using a single statistical number, humanity eats enough food to survive, yet, individually, people still die of hunger.
If you look at sports. at the Olympics, there are many sports where judges have to watch a performance and score out of 10... Does anyone dispute the way in which judging is done? Not that I'm aware of.
I dispute them. Those score are designed by the Olympics committee or whoever. They aren't mine, nor do I care about them. In some cases, my and their criteria are similar (like crossing the white line); it just happens to be a convergence in some cases.
My type of photography requires specific types of indicators. They can't be represented by a single number, nor by several of DXO's tests. My type of photography requires that I see how the camera behaves in real life. That is done quite simply: show me photos of how the camera behaves in the conditions in which I shoot.
If you really want to encompass the entire camera's behavior in one thing, than simply show me ONE photo. Numbers are worthless to me. Show me the result of what a camera was designed to do: photos.
My brain is much better at interpreting a photo, than are the various DXO scores at representing what matters to me.