I'm able to see the purchase history of everything that's bought at my company, be it online or in store. I don't do it, because I don't give a fuck and I've signed several agreements to be a good boy.
Data has to be validated, verified, checked, processed etc. Someone will have a possibility to view it if it's not an end to end encryption, and then you won't be able to easily report abuse. That's just how things work.