If you have better ideas, list 'em. HN has been consistently good for the past seven-ish years.

tags, respecting different votes differently, linking old conversations with new ones instead of 'archiving' them into oblivion...

HN might be some sort of local maximum atm, but more experimentation is warranted on these fronts.

The source is out there. https://github.com/arclanguage/anarki