What we are discussing here doesn't change the position or authority of GBC. This gives them the authority that they are supposed to have, that is given by the sampradāya, as well as it gives to the presidents their authority.
You have white guy that is interested - preach to them! You have Indians that are interested - preach to them! If you have a Chinese guy there, you preach to him. It's whoever is willing to listen, that's who you preach to.