The pie chart is fine. They can be bad when one wants to compare several similar categories, but they are fine when used to compare a part to a whole. Also it has a hole in the middle, which mitigates the problem of visual angle comparison.
It's not good to blindly follow rules, just because it's fashionable to say a certain thing. Especially in the fields of data visualization and user experience, which are mostly pseudoscience bullshit anyway...
It's not good to blindly follow rules, just because it's fashionable to say a certain thing. Especially in the fields of data visualization and user experience, which are mostly pseudoscience bullshit anyway...