“Neanderthals were in Eurasia, so sub-Saharan africans had nothing to do with their demise”
Mostly true, but there are some notable exceptions - like the Khoisan tribes of southern Africa, as mentioned here:
https://www.newscientist.com/article/dn24988-humanitys-forgotten-return-to-africa-revealed-in-dna
wow!! That is fascinating. I did not know about this return to Africa. Thank you!