They should get a cut and hedge their risk. They pay for boats, maintainence and export their goods. Do you know how much trade comes in and out of Ethiopia?
I think there's a reason you didn't read my more recent post on make money in Ethiopia, while not being in Ethiopia. Go read it please. A new generation of Somalis entrepreneurs will make millions with Ethiopia and another generation will calcaal about it.
If you have to pay for your customers, then your business is not good enough or you have tough competition which is not the case here. Listen Ethiopia is landlocked country and Djibouti is overcharging them, Sudan is very far from them.
The closest and more convenient for them is go use Somali ports. (Cheaper, closer.) They will save money here. They should be on knees not the opposite.