Where replies go?

I'm confused by this site's policy on latest posts, I can see from the list that someone has recently posted but when I look a new reply seems to be places quite randomly. Tp me it breaks any flow in conversations. Am I alone in feeling this?

Parents
  • If someone replies to the thread it goes at the top/bottom (depending on if you have newest or oldest at the top). If they reply to a specific post, it goes above/below that post. And yeah, if you have it sorted by newest it's basically impossible to keep track of which replies came in which order in a long thread with mini conversations in the middle. 

Reply
  • If someone replies to the thread it goes at the top/bottom (depending on if you have newest or oldest at the top). If they reply to a specific post, it goes above/below that post. And yeah, if you have it sorted by newest it's basically impossible to keep track of which replies came in which order in a long thread with mini conversations in the middle. 

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