Slashdot had (it's pretty dead now, I guess) meta-moderation, which worked very well. I.e. you could vote on whether a particular rating and reason were appropriate in your opinion or not (with my 4-figure user-ID I often got 15 meta-moderation points to "spend" this way).
You are showing your age when reminiscing about having a 4 digit slashdot ID :)
"Flashing" your age ;)
Funny is a +1 on Slashdot, while on HN it'd be a -1.
Agreed. And that more than anything else about HN bothers me. I like intelligent humor. (Stupid humor however deserves to be down voted).