I gave chapter and verse.
But let me try to help with the intuition. It’s about accounting. That’s all. Not your intuition. Not my preference. Ready?
Record. It’s the agreed upon rules for how some named monetary _thing_, which is constant flow and here defined, can be said to have a value x at time t. Gift card is a liability until used when it is recognized as revenue. Period. Full stop. End recording.
All the laws, maybe your law of how long they should keep the liability, are down stream from this. Everything else is chaos and confusion.