Here at Droidforums (and several other sites) we have had a wide range of possible responses to forum posts for some time. Nowadays, you can go well beyond just a "like" or "dislike" functionality, and do it very easily across the web. That's what makes it all the more puzzling that it has taken Facebook so long to implement something beyond a single "Like" button.
It sounds like Zuckerberg and Co. have finally listened to Facebook consumers' complaints about this this issue and are working on a solution. Supposedly Facebook is testing out something called "Reactions," and it will basically be a "like/dislike" series of buttons which will give folks a wide range of emotions to choose from when "grading" a post. Here's a quote with more of the details,
It seems like Facebook could have been working on this some time ago, but at least the world's largest Social Network is still evolving.