There was literally no expert quoted in the article who asserted such a thing.
> “It’s kind of chaos,” said Ariel Nelson, a staff attorney at the National Consumer Law Center. “It’s really hard to figure out if you were rejected, why was it rejected. If it’s something you can fix or if it’s an error.”
The rightful criticism is that these systems are opaque and Kafkaesque. One of the few benefits of them is that they are going to be less biased than human review. But I guess it's too boring to assert that something is just generally unfair when you can lazily shoehorn in that it must be racist.