Incompetence is not limited to Africa. While in the Middle East last year, during Ramadannnn, Kuwait tower played some chanting prayer for an extended time, during a very busy time at the airport.
I was with an Arab pilot and, after the prayer stopped and transmissions went back to normal, I slyly selected interphone on the panel and asked "was that Elvis"? The Arab almost had a heart attack thinking I transmitted on tower freq. Said we would "be killed!" Stupidity is not limited to Africa.