Unless there is something really 'wrong' with the thread (fill in the blanks) all will die a "natural death" if there's no further postings. About the only way you'll find same is via the search function.
That's one of the interesting comparisons between this and the UK 'Mother Board.' Removed posts, and threads are not all that unusual.
Here? I'm hard pressed to even think of one. A 'Cultural' difference in our view of what's appropriate on the Internet? Bottom line is Ard, Larry, et., al. 'run a clean shop' and every one knows it.