I agree with the principle of this draft and agree that the IESG should have the flexibility to structure the size of areas and the set the number of ADs per area at an appropriate level. I do have a concern that when the number of ADs falls to one as there can be issues of conflict of interest that need technical expertise to resolve. There is also the issue of there being no natural AD for IETF participants to turn to in such circumstances. It would be useful if the proposed BCP gave a little guidance to cover such circumstances such as considering the, perhaps temporary, merging of areas so that there were three responsible ADs rather than just one. - Stewart