Words can become dogma. It is no different in this subject. There are no right and wrong words, titles or descriptions that can define life as it is. If you get bogged down with that, the wonder is missed, the life is missed. There is no non duality as a thing. There is no thing, only everything, including the subject non duality, it is no it, it is not a solution. The subject and speaking of it is the pure expression of wonder, human wonder.
Dogma is a solution to what cannot be known, it is trying to tie down the ineffable, to grasp the ungraspable, to own the unknowable. The freedom is the freedom of those constraints, the human is free to be the human, free flowing and not belonging to anything or anyone.