Thought this was Mildly Annoying, and I would have agreed. As a retail stocker, the shelf expects them to all be the same, but the one that’s a slightly different shape usually doesn’t fit as many as the rest. It’s even worse when companies decide to change the packaging for the same product, like Stouffers, and I have to spend an extra five seconds determining if the items are the same or aren’t.
I don’t remember a specific age the transition happened, or if I ever actually believed it, but I remember my family getting a PS3 one year for Christmas “from Santa”. Sometime in the Summer, I was in the car while my mom was on the phone talking about the PS3 she got for us needing a repair or something. Again it wasn’t that I believed in Santa at that point, it just became a core memory of “Oh you lied about that”