Why is there no Mid End

We are all audiopiles quote un quote who accept the term High End to describe expensive or if you must reference grade sound reproduction. Some of us freely admit that we have mid-fi equipment but never say mid end or even sub High End. Even if you were to use the fact that High End implies a limiting superlative why don't we say this is a Low End piece we use low fi (or other language that's even worse) more frequently.