That's so you don't have to scroll down a potentially long post to see your preview and the edit buttons. Note that there'd be only a single parent displayed below, not a whole thread. Very often you don't actually want to look at that parent every time, rather just check out your reply and edit.

In reply to Re^7: Accidental duplicate: please delete by ambrus
in thread Challenge: Optimal Bagels Strategy by Limbic~Region

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