Said fellow holds that only R1a haplotype has novelty on the "Aryan" term, as they used it historically, and allows inter-mixing with R1b only if R1a still predominates; i.e., between Caucasian/Aryan Indo-Europeans and Indo-Irananians.
There is enough variation already to separate the two fundamental groups naturally, both genetically and memetically.
See, there is only Power, and he doesn't consciously realize this, but nonetheless desires it. He cries victimhood about his legacy of Ukrainians, for instance, being subverted by everyone that encounters them, yet cannot admit to their inferiority in this regard.