It’s not just this, you are given answers to related questions when the answer to your actual question is further down. Possibly to increase stickiness? It doesn’t make sense.
This is the most confusing thing any time I've clicked a quora link. I have no idea what I'm looking at. Who designed that? It's crazy how bad it is. They probably got a promo for it lol
The chumbox is slang for the part of news site web design you... try to ignore. These sites managed to optimize their design for <10% of users who will click just about anything.