I mean, this sounds like something one would do on accident. Well, it more certainly sounds like something I would do. I can't tell you how many times I've absent-mindedly put something in the refrigerator that didn't necessarily belong there.
This will be the 21st year the PSL has been a fan favorite on Starbucks' menu. Interestingly, over the last several years they've been getting it on the menu earlier and earlier due to popular demand. (Except for 2022, for some reason.)