UPDATE 4.30pm: In a statement to Eurogamer, Amazon has acknowledged the widespread issues with its PlayStation 5 deliveries, and pledged it will "put it right" for every customer who gets in contact.
"We're all about making our customers happy, and that hasn't happened for a small proportion of these orders," an Amazon spokesperson told us. "We're really sorry about that and are investigating exactly what's happened. We're reaching out to every customer who's had a problem and made us aware so we can put it right. Anyone who has had an issue with any order can contact our customer services team for help."
Some customers we've spoken to have been asked to wait 48 hours to ensure their deliveries don't still turn up out of the blue, while others have been offered a £5 gift voucher.