This might be an unpopular opinion for some on here but...
Firstly, these kids were naive who swallowed up what they've seen online and they'll probably be free soon. They same officers who arrested them were Samaroon too and most were happy they were apprehended. Every regions police officers/army soldiers are from the community that they serve. Don't expect SL police/army units to serve in another region other than their own unless for conflict, training/quality control and other business.
I guarantee you the vast majority and most Reer Awdal don't really give a damn about Mogadishu anymore nor do they ever care to go back or not. The whole Somalinimo shit finished 30 years ago.
Reer Awdal are not very ideological people but are pragmatic, they work with what they have and Somaliland works. It might not be the best but it works. And that's all you need.
Anyone who knows me online, would know that I've never been the biggest fan of SL, and I'm not an ideologue, so I can speak fairly on this issue because I don't have any deep personal attachments to the issue. I can say confidently that Reer Awdal do not care to be part of Mogadishu. It's not going to happen, that ship has sailed. Awdal is more attached to politics in Ethiopia and Djibouti than Mogadishu, there would be a much bigger chance of Awdal joining Ethiopia or Djibouti than Mogadishu. Geopolitics and popular sentiment renders it impossible that Awdal would ever be part of Mogadishu.
That's my 2 cents.
Apologies in advance if I've offended anyone.