Is a post stating that an image is in a in-universe picture book but not providing a screenshot to prove it considered a bad quality post - specifically, bad enough that it's grounds for deletion?
(To be specific, the question for that answer is merely "does item X exist" with no elaboration asked for, so existence of an image in a book is enough to answer the question affirmatively with no elaboration.)
If the answer is "yes", why does a post stating "something exists in a film" not grounds for deletion - absent screenshot or a video to prove that (I'm assuming the site policy is that it isn't grounds for deletion, as the site is choke full of those kinds of answer).
P.S. To address a comment: I'm very specifically asking about deletion, not downvoting. I can easily see why someone would downvote such a post - everyone's standars of what is good/bad enough for votes differ.