This is when you want to yell at whoever is at the other end of the line out of frustration, but you'd find it frustrating too because you realized you're dealing with a bot.
Anyway, if this is how hard it is to cancel your card, is it not a more practical option to just unstake and withdraw everything from your account and forget about your card? I'm not a user of Crypto.com's debit card but it seems this is the easier way out. And possibly a way to avoid cancelling fees, dormancy fees, and whatnot.