[RossM]

This feels like it's just designed to encourage rapid replies, like their chatrooms. I've always admired HN's time-delay on posting replies the deeper you get into a thread - it deliberately reduces engagement but seems effective at stopping things getting too heated.

[nerdponx]

People actually use Reddit chatrooms?

[senectus1]

Not sure about "People" but I get spammed via it on really contentious subreddits.