> having the apparently unqualified right to cancel the card
Is unfortunately required to handle the various con artists and scammers who would exploit loopholes the TOS.
Yes, I believe you can be in the wrong while following the letter of the law; that's part of the reason why we have so many damned laws: to close loopholes exploited by assholes.
Of course some asshole in the system can abuse that clause right back, but that's the cost of doing business with people on both sides.
And it being a public service, they generally can't deny you the use of it (at least not 'unqualified', I'm sure there could be some sort of police or court order taken out against people) - but they can specify exactly how you're going to pay for the service.
Also, I'm pretty sure "cancelling" means "forced reissue", not forfeiture of a legitimate ticket or balance.
Is unfortunately required to handle the various con artists and scammers who would exploit loopholes the TOS.
Yes, I believe you can be in the wrong while following the letter of the law; that's part of the reason why we have so many damned laws: to close loopholes exploited by assholes.
Of course some asshole in the system can abuse that clause right back, but that's the cost of doing business with people on both sides.