I'd say its a grey area in our case. The user isn't using a "tell me when discounts happen" feature, but rather a favourites feature where some of our marketing

I'd say its a grey area in our case. The user isn't using a "tell me when discounts happen" feature, but rather a favourites feature where some of our marketing said to favourite things to get a discount. Another instance but via notification was that someone would lose their product if they didn't complete the transaction (24 hours notice). This wasn't a lie - we reserved inventory for 24 hours for a buyer as it was a unique product. Versus something like booking which is eternally telling me someone else is about to reserve the room I'm considering renting.