This one has a more interesting discussion: https://news.ycombinator.com/item?id=1532670
The first time Bitcoin was posted it received no comments and barely any votes. The second time it received mixed feedback. It took about a year for it to get a decent sized thread.
The third link, I think, is worth revisiting.
https://news.ycombinator.com/item?id=463793
https://news.ycombinator.com/item?id=599852
https://news.ycombinator.com/item?id=1532670
This one has a more interesting discussion: https://news.ycombinator.com/item?id=1532670