That info has been available for a long time already to anyone who is willing to pay for it:

https://www.gsam.com/content/gsam/global/en/market-insights/...

The card networks can even receive data of exactly what is purchased at what price with level 3 data:

https://www.bluepay.com/payment-processing/gateway/level-3/

I know staples.com reports it because it shows you everything purchased on the AmEx statement, and hotel stays will have check in/check out dates.