The iCloud subscription was not past due. [1]
1. https://twitter.com/dcurtis/status/1366485756546539520
It's possible that the card was maxed out and payments for the subscription failed, maybe? I caught mine before that happened.
Edit: a sibling comment makes it clear that that isn't what happened: https://news.ycombinator.com/item?id=26308468
The iCloud subscription was not past due. [1]
1. https://twitter.com/dcurtis/status/1366485756546539520