The wheel, reinvented.
Reinventing the wheel is unnecessary. Unless you happen to be quite interested in wheels- how they work and why. Then it would be fascinating. If you set about inventing it anew, you may arrive at the same conclusion, but your understanding would be rather different from having done the thing yourself.
Performance practices that work, work. Accepted techniques may have proven useful over decades and centuries. They may also just be tradition. If we wish to be free, then it might be quite interesting to investigate if they truly do, if there are other ways, and if they are the pinnacle, why. It is the difference between reading prepared phrases from a guidebook and being fluent in a language.