Remember, it was a black American who coined the term 'African American'. It was accepted by the majority culture because all blacks went along with it. My point in bringing that up is that WE as a collective have the power to self label.
There was a time when transvestite was an acceptable term. Even Trannie. Being called a White Supremacist wasn't offensive to white supremacists 60 years ago. Now they are the 'alt - right'. 50 years ago, you described certain areas as swamps. Notice we don't have any place called swamps anymore? What happened to them? Nothing, swamps are still around but environmental groups in unison started calling these areas 'wetlands'. These names changed because that group said what they are now going to be called for.
The problem is getting enough blacks to go along, then anyone else's opinion doesn't count. Once you get enough blacks saying 'Foundational Black American' it will change. And its happening. Maybe not as much as some of you would like but its definitely being said more.
So, whatever some random youtuber, tweeter or IGer says doesn't matter if they get checked in numbers.