I often upvote stories using the metric "Would I add this to my 'saved stories' if it was a stand alone feature?". Very often the answer is yes even though I di

I often upvote stories using the metric "Would I add this to my 'saved stories' if it was a stand alone feature?". Very often the answer is yes even though I disagree with large portions of an article/don't think it's a good fit for HN. What is a good heuristic for upvoting articles?