I can't remember if it was Matt Parker or Tom Scott who did a thing about this on youtube, and I think the answer was no, they just use whatever method is easiest to get these numbers, and they're not even using a consistent methodology from one country to the next.
Modern jazz is dope. It takes influences from everywhere, and turns them into jazz. Which is what it's always done. In that sense jazz musicians playing electronica is no different to jazz musicians playing tin pan alley.
https://youtu.be/tZNu9gLE_KE?si=XnhdkgvGRWaPBKt4
https://youtu.be/bYUR38Yo8aw?si=eezIOM53T505klQJ