He paid his iCloud with his Apple Card, but didn't pay the credit card bill properly, so they basically clawed back the purchase.
The analogy is that if I pay for Netflix with Amex and miss an Amex payment, they can't directly cancel Netflix. Eventually if I continute to not pay, they'll shut down the card and Netflix won't be able to charge and will then cancel themselves, but that's a much more flexible process.
It's always good to have a few "fire breaks" between your most important accounts (email, payments, domains, etc.).
The analogy is that if I pay for Netflix with Amex and miss an Amex payment, they can't directly cancel Netflix. Eventually if I continute to not pay, they'll shut down the card and Netflix won't be able to charge and will then cancel themselves, but that's a much more flexible process.
It's always good to have a few "fire breaks" between your most important accounts (email, payments, domains, etc.).