Threads are currently paginated for performance reasons (yes we're working on it) so you need to click More at the bottom of the thread to get to the rest of the comments—or like this:

https://news.ycombinator.com/item?id=25726453&p=2

https://news.ycombinator.com/item?id=25726453&p=3

https://news.ycombinator.com/item?id=25726453&p=4

https://news.ycombinator.com/item?id=25726453&p=5