Maybe we need to remind ourselves about the basic fact that the IETF defined the number identifier (IP and AS) and also the names identifier. How then can we expect the creator not to allow access to the TM for use by its creation.
Seem to me we may be looking for something more than just access to the TM. If there is really a part of this transition that the doesn't need any politicizing, I think the TM should such item. Come to think of it, IETF even uses the TM far more than the other 2 operational communities, so they seem to even have more stake in this.