I would be surprised if especially large merchants (like Amazon or Walmart) would submit to this as they I would imagine they have massive bargaining power when

I would be surprised if especially large merchants (like Amazon or Walmart) would submit to this as they I would imagine they have massive bargaining power when it comes to transaction fees and would gain little in sharing that data with the payment processor. I could see companies whose lines of business tend to have higher fraud rates take advantage of providing more data in exchange for cheaper fees.