A single paragraph in this p̶r̶e̶s̶s̶ ̶r̶e̶l̶e̶a̶s̶e̶article alludes to how past prejudice is baked into the model without any explanation as to how Mastercard is trying to fix this. Just "It might be racist/sexist because of the biased decisions in the training data." then onto the next subject.