Row, row, row your boat gently down the stream of TOTAL FUCKING HORSESHIT!
I've said this before: I have spent decades - real, full decades - studying the Abrahamic faiths (and I learn some about others as well, just to round things out). The Bible ignorance of these idiots is infuriating, especially since they claim to worship the Bible's God.
Let's first touch on race-mixing: The ancient Hebrews were more concerned with *cultural* mixing that could introduce new and unclean ideas to the Israelite (and, later, also the Judean) people.
Deuteronomy. 7:3-4
"You shall not intermarry with them; you shall not give your daughter to his son, and you shall not take his daughter for your son.
"For he will turn away your son from following Me, and they will worship the gods of others, and the wrath of the Lord will be kindled against you, and He will quickly destroy you."
The passage goes on to instruct Israelite soldiers to smash idols and temples dedicated to other gods in conquered lands.
There were prohibitions against mixed fabrics and mixed grains in Mosaic Law, but it's clear in several places that race-mixing wasn't the problem; cultural 'drift' - for lack of a better word - was what religious authorities feared.
I'll briefly touch on ba'al worship: "Ba'al" is actually a term meaning "master" in Northern Semitic languages, so people worshipped all kinds of ba'alim (by far the most egregious would have been the worship of Molech).
Point is, noooo...most lands settled or conquered by the Israelite were home to other Semitic peoples. They were told apart be culture and dress, and generally not by physical appearance.