I've already agreed with the suggestion these questions be deleted.
But to play devil's advocate (as it's just so much fun!), they could be kept with strict rules, e.g.
- Questions without any accepted answers are automatically deleted after a certain period of time, much faster than other questions (e.g. after four weeks, deleted if no response).
- Questions are closed even faster if OP doesn't respond to requests for information (e.g. where did you see this, where did you get picture, what makes you think its from a movie/series)? For example, if OP doesn't respond to requests for info within three/five days, question is closed (would probably work well for all identify-this questions to be honest).
- ??? Feel free to edit and add suggestions...
I'm adding these suggestions because let's be honest - if someone comes on this site and chucks in a picture of some fairly famous actor/actress (e.g. Jennifer Lawrence/Leo DiCaprio), or a still from a fairly famous scene/movie (e.g. Jack in Titanic, Don Corleone in The Godfather), it'll not be closed before someone answers. I know I'd answer before voting to close.
Ultimately, the reason why these questions are closed is because they're narrow and often lack the required information to produce an answer. If they're answerable, they'll be answered (even if they're closed later).
Perhaps then a possible solution is to allow them, but to be strict with them by applying rules such as those shown above to delete them quickly if it becomes apparent no solution is readily available. OF course, this solution is far from perfect. What if someone posts a picture of a famous musician? They'd get an answer, sure, but both the question and answer would be about a totally irrelevant topic.
To be honest, this isn't a particularly good solution, but I thought I'd propose it anyway to see what people thought and generate some comments.