Okay, let us settle some revisionist history. As someone that has studied pre and post-independence Somali history, I am smelling a lot of cap.
I am not intending to get into a qabiilist FKD but I will call out BS.
1. Somalia was called the Somali Republic until 1969 from then it was called the Somali Democratic Republic until 1991. The reason why it was commonly called Somalia was due to the prevalence of Italian and Arabic in the SYL administration. In Arabic, Somali Republic is Jumhuriyyat as Somaliyyah. In Italian, it is Republicca Somala.
2. Southern Somalia was considered one of the more developed colonial outposts in the wider region. There was an established economy, educated population, transport links and democratic institutions upon independence. British Somaliland by comparison were utilised as a butcher for the Aden colony (not my words).
3. The SYL as the oldest political party is renowned for promoting Somali unity. During SYL's founding, Greater Somalia was under British military occupation and the British and SYL found themselves as useful allies. Even though Britain was forced to give up Ogaden, the dream of a united Somalia intrigued both the UK and the SYL.
4. In 1959, approximately 2% of British Somalilanders attended school. In 1956, it was just over 1 percent. It is well known that the British only pushed for education post-WWII.
5. British Somaliland had barely any roads, schools, factories, farms and no universities. Hargeisa airport was built just before independence and modern Berbera port was built by the SYL.
6. Winston Churchill himself called British Somaliland "unproductive and inhospitable"
Those that say Somaliland was wrong not to join Italian Somaliland in union simply have no idea the opportunity given to Egal and co. There was no real other choice. Somaliland's leaders did not have the 10+ year political experience nor had the amount of development and institutions Italian Somaliland did.
To put it in a sentence, British Somaliland did not even have enough qualified people for a civil service let alone a judiciary, legal network or education system.