I used to think that until I realized that I might id an easy bird on the thumbnail, but then next pic I couldn’t see was just a flower, and the third one a tree. Or, easy bird was already observed in a companion record, and the observer was asking for the tree it was sitting on this time.
I see the latter regularly- almost have research grade, and then someone comes along and id’s something else in the pic. Gosh, why didn’t they just read the specific instructions in the comment? …Oh, maybe a thumbnail agreement.