I have a feeling the term is becoming universalized for anyone of darker hue. It might be through tv and movies out of Hollywood being shown around the world. I imagine some idiot is going to one day go to Africa and remark my but there are a lot of African Americans here.
And then there was the British subject, a resident of Jamaica, who was set alight by thugs in Florida. The writer wanted to call the victim African-British , Jamaican, or a Briton of African descent, but the editor insisted on changing the terms to African-American.
Stupid people always lose sight of the literal meaning of words, and so use inappropriate terms.