Maybe at least during content creation, it’ll turn out to be a good choice to not always use a tonemapper. And also for a final result, the world has existed so many years with cameras approximating neutral reproduction (even worse: as a goal!).
Many thanks for asking your good question! It helped me to learn a lot!
Here’s a text decribing what the Reinhart tonemapper might do. I myself haven’t worked through the text, but just scrolling through the text shows how obvious it is that algo does something that’s not always useful.