I don't get the joke, who gives a shit about salutes or useless etiquette's, it has nothing to do with the Somali culture nor does it have any monetary/moral/spiritual benefit to the people whether he does it right/wrong.
I would be more worried had he done it right, and I can guarantee you if he did, the narrative would be Farmaajo doing kacaan salute plastered everywhere. Dude is a civilian like the rest of us.