This topic is now buried, but I guess you'll see comment replies.
The "hide" link is visible on the main page, before you go to the comments. Example for the current #1:
Astra can read and write weights to improve Qwen (rikiyat.github.io)
1106 points by dbreunig 3 hours ago | flag | hide | 348 comments
If you want to delete your own submissions, I don't see a way to do that.