Because like you said, it's the most obnoxiously prominent coffin and tombstone in the yard lol Plus, there's a damn sticky. I don't get why people don't see that. There's no work involved. No searching or anything. Just clicking once and scrolling is less than typing up a whole new topic. I mean honestly?
That's understandable, except the topic also splits the riddles into their respective areas (Arkham East, Botanical Gardens, etc.). Just skip ahead, cover your eyes, peek through your fingers then x out.