Accuracy. It doesn't seem like an unreasonable request.

Musk appears different to different people. An insight into what, if any, represents the real person, and in what contexts Musk presents a persona, and why?

Perhaps I was harsh on historians, they do strive for accuracy, but they themselves will tell you how much perspectives of the day colour the representations. In many respects, it is similar to science. The answers that history give us are not the guaranteed truth, they are just the best answers that we have a consensus on at the moment.