for most cases high variance is bad?
I have no idea. Which “most cases”? From whose point of view? There is no Law of Nature which states that high variance is bad.
Not to mention that for sufficiently fat-tailed distributions variance does not exist
I have no idea. Which “most cases”? From whose point of view? There is no Law of Nature which states that high variance is bad.
Not to mention that for sufficiently fat-tailed distributions variance does not exist