So, just out of interest to understand your position better, would you advocate that every time an item sinks without trace, the submitter should subtly alter the URL and resubmit it every day until it gains traction?
ADDED IN EDIT:
From 5 days ago: http://news.ycombinator.com/item?id=2002081
From 4 minutes ago: http://news.ycombinator.com/item?id=2020721
Identical items. There are two reasons it didn't get traction last time. One is that it wasn't noticed. The other is that it isn't of value. If it's not of value, it shouldn't be resubmitted. If it simply didn't get noticed then the chances of valuable items getting noticed would go up if people didn't resubmit the same things over and over again.
Resubmission is bad. Helping people find decent things - even when old - has to be better. Reducing the noise will help.