“Esau was always inclined to be violent and wrathful. “
Genesis 33 demonstrates your statement to be false.
The book of Genesis paints a less favorable picture of Jacob than it does Esau. Esau repents of his murderous inclinations towards his brother. However, Jacob still lies to his brother, he still behaves dishonorably.
The Edomites no longer exist. They have no bearing on contemporary events.
Right, but those with limited understanding of history and demographics want to classify all Arabs as descendants of Esau. Or possibly Ishmael, which is what the Arabs believe.
In actual fact, of course, any genetic material from either of these two guys is so vastly diluted by this point that it’s pretty meaningless.