That would be better if implemented but its the western imperialists that would strongly rejected it. They wanna us to live as they designed 100 years ago so that we have to fight over freedom, power sharing and the likes every now and then instead of thinking about development.
As for ethiopia, I think its doomed and on the verge of becoming another war torn country, even if tigray lost this war, the showdown will just shift to Amhara-oromo which will never go along well with eachother cuz of all the hatred and the paranoid attitude toward eachother and more importantly the land related conflicts especially Addisababa.
But the only way that erhiopia can be balkanized is through strong Oromo movement of Independence which is unlikely, but if oromo remains silent westerners will just have to support who ever in charge of the state as usual to prevent the collapse of the state.
Sometimes independence falls on your laps. Look at the ex-Soviet republics. They became independent not engaging in wars and often without firing a single shot. As a matter of fact, many of them didn't even want to be independent at all and were forced to become one.
As long as Ethiopia collapses from within, Somalia might be able to unite. We need to support Tigray and then Oromia.
Geopolitics of the West has changed significantly. There is no cold war. The lines between the West and the East are blurred and placed behind the international trade and information technologies. And there are new regional actors that are getting stronger by the day: Turkey and Israel.
I am not all so sure that Ethiopia has the West's back anymore.
I am hoping Egypt will step in and finish Ethiopia in its present form. Egyptian military is much stronger than Ethiopian. Support of Tigray and destruction of the GERD dam will put an end to Ethiopia we know today.