Actually, it’s more straight forward than that and well known to those in the culture. From a local news source here:
ABU DHABI // The statistics are stark: out of every 1,000 babies born in the UAE, about 75 suffer from a birth defect, the majority of which are of genetic origin.
Those unsettling numbers are forcing a re-examination of the long-held practice of consanguineous marriage - meaning to a blood relative- which is one of the strongest traditions in the country.
They’re invading Europe with the stated goal of breeding with Europeans.
So what you’ve posted makes perfect sense.
Not only do they want to destroy western culture and replace it with Islamic culture and Shariah, they also apparently need our healthier genetic stuff for their own survival.