Probably lots of other people have suggested this, but in case not: have you considered a “meta-page” that coalesces multiple submissions into one?
dangOP
When the various discussions were years apart, like here, I suspect it would elide too much context to coalesce them.
But for submissions of the same vintage, it might be a good idea, and in fact not so different than the thread merging we already (but unsystematically) do.
The TTY Demystified (2008) - https://www.hackerneue.com/item?id=26803109 - April 2021 (35 comments)
The TTY demystified (2008) - https://www.hackerneue.com/item?id=17765683 - Aug 2018 (12 comments)
The TTY demystified (2008) - https://www.hackerneue.com/item?id=13571055 - Feb 2017 (43 comments)
The TTY demystified - https://www.hackerneue.com/item?id=10631513 - Nov 2015 (40 comments)
The TTY demystified (2008) - https://www.hackerneue.com/item?id=10064657 - Aug 2015 (31 comments)
The TTY demystified - https://www.hackerneue.com/item?id=8094186 - July 2014 (21 comments)
The TTY Demystified - https://www.hackerneue.com/item?id=4544318 - Sept 2012 (46 comments)
The TTY demystified - https://www.hackerneue.com/item?id=4062981 - June 2012 (17 comments)
The TTY demystified - https://www.hackerneue.com/item?id=658155 - June 2009 (13 comments)