No, at this point it’s the most accessible and easy it’s ever been to achieve balance.
The tool is called data science and machine learning and blizz just has to invest in like 1-2 engineers to do it. People do this sort of thing as a career every day.
Balance falls into 2 categories, numerical and utility.
Use the ML model to tune numerical values to an arbitrary degree and then use developer judgement on utility tuning
Done