They’re not. They are using BGI’s MGISEQ2000 machines. They simply sell the sequencing at a price that doesn’t cover its cost. Both because this is a promotion

They’re not. They are using BGI’s MGISEQ2000 machines. They simply sell the sequencing at a price that doesn’t cover its cost. Both because this is a promotion and because they retain the rights to using your genomic data in research: it’s simply a cheap way for them to get samples.