The CONSUMPTION_REQUEST notification is only for a consumable in-app purchase and auto-renewable subscription. Why isn’t this notification sent for all types of products?

The CONSUMPTION_REQUEST notification is only for a consumable in-app purchase and auto-renewable subscription. Why isn’t this notification sent for all types of products?

The CONSUMPTION_REQUEST notification is only for a consumable in-app purchase and auto-renewable subscription. Why isn’t this notification sent for all types of products?
 
 
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