I would truly welcome a technology that screened for parents who screened their embryos for IQ. Then we could keep them the hell away from anywhere societally significant.

US startup charging couples to ‘screen embryos for IQ’

Heliospect’s services were marketed at up to $50,000 for 100 embryos, undercover footage shows

Eugenics.

What do they use, litmus paper or a willow twig?

I was wondering how on earth they managed 1000 embryos, presuming that they are all the products of the prospective parents' loins

In an ideal world, we might start with shutting down any start ups that thought they could part people from serious amounts of money in exchange for unquantifiable data about a nebulous concept that can’t even be satisfactorily assessed in parents, let alone their embryos.