Idaaja says that the marehan clan as a whole was on the back-foot, so they were attempting to distance themselves from Siad Barre who was still pretty much alive and the target of Hawiyeweyne.
Selling out Siad barre and the clan elders asking Siad to leave Geedo.
It's also very telling how Idaaja documents Marehan complete looting of Muqdisho before fleeing to gedo, this is usually used against Muqdisho residents who are labeled "moriyan"