Operator overloading can be bad when abused for non-numeric types. But for numeric types, it is indispensable. It's not hard to remember that `__add__` is usin

Operator overloading can be bad when abused for non-numeric types. But for numeric types, it is indispensable. It's not hard to remember that `__add__` is using extra resources when I'm working with big matrices in NumPy.