In this case, it is trivially easy to write software to distinguish this "hack" from genuine photos.
This works if the real intention is to fix the fact that slashdot is often old news, not so much if the intention is to automate away the editors to reduce cost.
The 11 is for people with the pride of a 10 and the pocketbook of an 8. -- R.B. Greenberg [referring to PDPs?]