Because it proved the Pharaohs were 'Black' which is common sense. It also proved that every ethnicity on the planet comes from Africa.
Nothing found thus far has proved you right.
This is false. Africans migrated to Asia first and had traveled within Africa for over 100,000 years.
There really was no need to go that far and comparing an overland trek through the present-day United States to an overland trek through Africa 5,000+ years ago isn't exactly valid.
It is just a red herring and defies logic. Egyptians had everything they needed within easy reach......
.....
so no need to travel through the second largest desert in the world for a year to get what they needed.