It's not a myth they just confused us with Ahmed omar Warsangali who turned out to belong to haplogroup R1b. We actually had our own flying carpet story we believed that we are the the descendants of Khalid bin Al WaleedThe Southern Yemenis are more entrepreneurial considering their trading history. Another Hadhrami Khalid Bin Mahfouz was the personal banker of the Al Saud and his family are worth billions. Came across the Mahfouz clan as his Yemeni/Saudi clan cousins tested on FTDNA belong to the same T-Y16897 lineage.
Off topic, where did the myth that you guys are of South Asian origin come from?