Somewhat related, but not long ago my Macbook had a bulging battery issue and the Apple just flat refused to service it under warranty because I would give them

Somewhat related, but not long ago my Macbook had a bulging battery issue and the Apple just flat refused to service it under warranty because I would give them the credentials to unlock the bios. The "genius" told me "but you leave your keys when you drop your car at the garage!". I had to send the computer across the country for corporate IT to wipe it before getting it serviced, for a battery replacement..