Tweakk
I would agree with you, but the friend that qued after me but got his before me also qued for the same two SKU's as i did.
I would have to see all of your notifies versus their notifies. Even after a queue notification has been sent, it is still available on the notification list, so that would show time comparisons sku’s. Screenshots work best for comparisons as it would keep users from editing any information.
Are they in the same region and time zone as you?
Example: