“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.