I thought it was a shabab tactic to diversify it's foot soldiers and send .5 kid on suicide missions so it doesn't turn into a clan war
They send hawiye to hawiye man. No .5 is sent to hawiye. If it was that simple hawiye would have wiped .5 out of mogadishu.
Al shabaab is a gang sxb, and leaders of the gang employ people that can extract money from the community and those footsoldiers also need protection which is clan protection.
.5 cannot go to a hawiye in mogadishu and threaten him. Similar to how a hawiye cannot go to bosaso or caabudwaaq and threaten anyone.
So the foot soldiers are hawiye majority of them. Ofcourse there are other clans but they are a minority.