Why does a third party need to know in the first place, whether or not they sell the information or not? It's not that I prefer cash, it's that I don't see inv

Why does a third party need to know in the first place, whether or not they sell the information or not? It's not that I prefer cash, it's that I don't see involving 100s or even 1000s of third parties in all of my transactions as an 'improvement'.