As you'd expect, despite having 30 days notice, the clowns at VM are planning to bill me for the entire month starting the day after my connection is terminated,
Of course they are - billing continues until you are disconnected, that's well documented on here and is published policy.
If any bills are produced after you've been disconnected, then it's fair cop for a complaint. If you have current billing issues regarding the landline then again, fair comment.
With the greatest of respect, it may be Virgin Media's "published policy", but it's still remarkably incompetent or remarkably dishonest. They've had thirty days to sort their tish, but that's apparently not enough time to prevent a completely gratuitous bill-run. I've worked for similar scaled customer service businesses, I know full well how direct debiting arrangements work, and VM's implementation is pretty unique. And I might also mention, not even a confirmation of cancellation, not a "sorry you're leaving" email, nothing to confirm that they've had and actioned a cancellation, nothing in the contract section of MVM. I know they have actioned it because I've had the plastic bag, but is all this what you call good customer service? And incidentally don't miss the coda to that thread.
I can't think of any company I deal with that are this poor at basic CRM administration. My various insurers, my water company, my council, they all have better administration and a better customer experience than VM. In fact, even my energy supplier have better customer experience than VM.
An interesting thought experiment is to ask why you are apparently defending Virgin Media here?