I don't even know ehre to start but if someone talking about corporate income and privacy is already making mistake. Yes $0.5 is not much, same as $50 spend for me is not much but multiply it by the number of user (1 for me and 100'0000'000 for Apple) and you're getting $0.50 against $50'000'000) so hey, who wants $50M in [profit for free? noone, because they're good company.
Bot on serious note, every system is charging you for payment processing, and whichever way it's done, it's always sharing your data. Credit Cards, iPay, androidPay, WindowsPhonePay, anything you want, it's always going back to your account and the bank has to know what you're paying for. It's not Apple, Google, MS selling you, get real, it's the commodity of making easy transactions. If you want privacy, pay by cash, if you want conveniency, pay with card/phone/PayPal/PayAndroid/;PayhWindowsPhone/PayAnything, it's always going back to you.
You're getting service and you're paying for it, deal with it. Someone will have a record of that transaction! Gwet real and enjoy your life.
I just need to get another pint and enjoy my life.