On the receiving end of poor design

Having cancelled my Sky subscription, I waited for the final payment to be taken, and then stopped the direct debit. Perhaps unsurprisingly, I then received a demand this morning that I reinstate the direct debit, with the threat that I would be charged administration fees for any payments made by invoice. On contacting Sky, at my expense, I was told that this was just an automated response, as their accounting system doesn't check the account status before mailing out threats to (ex-)customers.

Perhaps not quite as bad as one financial institution where I worked for a bit, where payment requests were regularly sent out to customers who had died, even though the customer status was known to the system. Even some of the staff there found this a bit insensitive...