Words can have multiple meanings. And, some of those meanings can be based on ignorance, bias and sloppiness. It is fair to critique the use of words when they obscure actual meaning.
Appeals to authority is not mysticism.
Appeals to authority is not mysticism.
That's like saying it's wrong to use "charismatic" to mean "attractive" because that word needs to be reserved for religious charismatics, or that it's wrong to use the word "agnostic" to mean "noncommital" because that word needs to be reserved for the religious gnostics and agnostics, or that it's wrong to call have "developer evangelists" because that word needs to be reserved for religious evangelicals.