Thanks for the post , votes, and comments. We are aware of this limitation and are targeting sometime next year to improve this experience. In the meantime you can sign up for a new account in your desired country and transfer your assets to the new account via Support.
-Azure Billing TeamAde... commented
This is even affecting the MSFT staff too. Why should they bother to sell Azure? if the feedback on this portal is not enough then nothing will do.