Also, none is from ne and one, and never is from ne and ever. But those may not feel like the same thing. Since we don’t have ne alone anymore, none and never don’t feel to us as if they start with a ne.
None of us is pretending that a society of human beings could function in which all spoke or wrote however they wanted to and yet had equal chances at success in life. The linguist’s point is that there are no scientific grounds for considering any way of speaking erroneous in some structural or logical sense. To understand this is not to give up on learning to communicate appropriately to context. To understand this is, rather, to shed the contempt: the acrid disgust so many seem to harbor for people who use the forms we have been taught are “bad.”