In general I do agree citations are a good thing. But in this case and ones like it, does it really matter? Someone is making a humorous statement, it’s not of

In general I do agree citations are a good thing. But in this case and ones like it, does it really matter? Someone is making a humorous statement, it’s not of particular importance to me if it was made 100 years ago first or not, so why should I care to look it up? Rephrased: what would change if you found the image was “fake”?