They perpetrated the fraud solely to support the bogus biblical claim to Palestine which was anchored in their being a separate people. This distinguished them from all others because they claimed a land title in their blood. They bet the farm on this DNA proof of purchase, a God given bar coded passport to the Palestine. Dr. Ehaik just erased the bar code. It was just stamped on anyway, because it was never in the blood.
Why, why did they do it? The second half of the answer not revealed in his research was that you had a bunch of atheist, communist Jews shoot their way into taking over the Land with the sole moral cover that 'God gave it us only'.
Before I had a bookcase of Judacia in my library I must say I was a bit suspicious of these atheist Jews whipping out God's dual land title and passport. It was propaganda of course. It always was. And the story for another day is why did an entire academic community who should have known better, cower down and debase themselves in their own community by allowing the fraud to not only be birthed, but continued?
Israel has sold the lie that "Jewish" is an ethnic group in addition to being a religion. But the DNA tells another story, of dozens of other ethnic groups converting to Judaism and simply declaring they are a different and superior race to all others, with a mandate from the imaginary playmate in the sky that they are supposed to own all of Palestine (and anything else they can get their hands on).