They carry a heavy wight on thier neck, not only for Harti, but other Darood in the south wo would get F''' under 4.5 formula.
Worst case scenario I aspect. giving away northern Mudug for Jubaland which it's not a bad deal.
I really doubt they will go for recognition, they are fine with Xamar holding the whole country as a hostage.
And if they ever did, than they are 17 years late.
