It's the first time I've seen that acronym also, and I am an NX MBD checker (no drawings).
While Y14.41 is slow to be adopted across the board, the limitations seem to have been both software capabilities and company culture. The software capabilities have improved dramatically, but there is still the issue of a company aligning all of it's different groups and vendors to get on board with the new methodology.
For the most part, we use 3D jt or pdf files to communicate with those who don't have access to the NX files directly.
"Know the rules well, so you can break them effectively."
-Dalai Lama XIV