Sure. But not all venues go by the "all content that isn't illegal is acceptable" standard. Also, how do I know content is being downvoted because it's spam a

Sure. But not all venues go by the "all content that isn't illegal is acceptable" standard. Also, how do I know content is being downvoted because it's spam and not simply unpopular. For instance, when I say "COBOL is a better programming language than Python," or "I liked my Treo much more than any iPhone," what's to prevent people from downvoting it into oblivion?