alt Hacker NewsThis comment [0] from dang might be relevant:
> In case it's of interest, here's the standard language from emails I send people:
> We try not to delete posts that got replies, because doing so would be unfair to the other commenters in the thread. What I've done so far is reassign it to a random user ID, so it's as if you'd used a throwaway account to post it and there's no link to your main account. Does that work?
And it’s utterly useless, because your username and all comments get THE SAME random user ID. So once someone identifies that ID as you, it does nothing.
When I asked dang to do better after me and my family got death threats online, dang told me “tough luck”
To this day thousands of my comments from my old username are on this site and trivially east to link to my real name. (Links to my website, etc)