>>17938674
>WHG underwent a population bottleneck which reduced them to a few dozens individuals in Italy during the LGM. No one was replaced, they just died to the advancing ice.
The WHGs just took the Farmer Stacy girls and cucked the males who were plowing the field in the backyard.
Same how in Spain it was confirmed that the Yamnayas replaced 40% of the genome, but at the same time it was 100% of the male lineage.