I mean, if you just use the metric of "care enough about my industry to follow news and discussion threads about it", HN is already going to filter bad out some

I mean, if you just use the metric of "care enough about my industry to follow news and discussion threads about it", HN is already going to filter bad out somewhat, I'd imagine. I don't assume it's the top half only, but it should weed out the worst kind, right?