Show me the DNA data.
Eventually they became nothing more than tax slaves to that empire ~ which impoverished them, destroyed their higher culture, and left them in an unenviable degenerate state.
They were finally liberated by The West in WWI (and to some degree before that in earlier French and British forays into the region). President Truman laid down the law to both the French and British that they had to get out of the Middle East.
He even reversed the earlier Roman destruction of the autonomous state of Israel ~
All things were replaced where they had been.
There's an old saying ~ beggars can't be choosers. It appears to not have a counterpart in Arabic ~ but it's still true. Google Translate says that it could be: يمكن أن المتسولين لا يكون اخيار