Actually ancient Egypt was a melting pot sort of place. The people of Sudan, a place better known then as upper Egypt (because it was "up" the Nile River), were included within the Kingdom of Upper and Lower Egypt oh, circa 2300 bce or thereabouts.
The ancient Pharoahs wore a crown that proved it, a red and white crown.
Slavery existed and slaves could come from anywhere, sub-Saharan Africa, Europe or the Middle East.
I totally agree.
What is obvious, however, from these trogs who claim Egyptian heritage, to wit: architecture, astronomy, mathmatics, engineering, and organized government----as "wooly haired dark-skinned people," the original Egyptians....is a joke. And everybody knows it.
Sub Sahara Africa and its peoples gave the world little in any of the above categories. Hopelessly fumbling around, they seized on Egyptian culture, which is uniquely its own and more Arabic in nature----not African.