Absence of evidence is not evidence of absence.
As is your conjecture.
How do you get from “the land which you see” which is physical to trading rights which are not.
What does something that happened 3500 years later have to do with the cost of tea in China?
You really like to speculate. How does being cut off from your people have anything to do with marriage? The circumcision wasn’t done for health reasons. It was the mark of the covenant.
You got that right but it was bequeathed to the members of the covenant who bore the mark of the covenant. Do the moral descendants, whatever that is supposed to mean, bear the mark of the covenant?