<human>: Can you provide a brief overview of the text?

I was just reading [another thread] where a redditor expresses some disappointment with the site.  In particular, he outlines the difficulty of navigating the sea of comments in popular submissions.  

It's common for funny comments to get the majority of upvotes.  (And with good reason - everyone likes a laugh.)  But the overwhelming dominance of these kinds of comments can obfuscate other substantive ones.  If you're looking for insightful or for informative comments, it's not unusual to have to do some wading to find them.

If reddit allowed a user to clarify why he is upvoting a comment - because it is funny or because it is informative or because it is profound - other users could use this information to filter comments, focusing on the ones that interest them.  Even simpler, a system for tagging comments (isolated from up/downvotes) could effect similar results.

To be crystal clear, I'm referring only to comments - not links.  Subreddits already take care of breaking up a potentially unnavigable sea of links into areas of interest.  I'm suggesting a feature to do the same for comments.  

I know this idea isn't novel (and I'm not claiming to have conceived it) - in fact, it's a long-standing feature of other websites.  But I do feel that the community and its discourse are reddit's #1 commodities - and that both may stand to benefit from it.
<bot>: If comments were tagged to describe their nature (funny, profound, informative), might users have an easier, more enjoyable time perusing them?