That may not be a problem most of the time, for someone with a clear sense of types typing someone who's easy to type. But I think that for anyone who believes in and uses the DCNH theory, it's a valid question to ask how one teases one thing out from the other....For example, suppose one has a "D-ILE." Well this means that the person's main IM elements are Ne and Ti, but the person is in some way emphasizing a Je something...either Te or Fe. Surely that could get confusing...
I'm not a fan of this interpretation of DCNH - I think it should be more "behavioral" and connected to the inert-contact and initiating-finishing dichotomy, rather than a superimposed "layer" of function which only creates confusion.