3 Most people on here are in it for the money and won't give the time of day to scour the new section knowing it won't get them any richer.
4 We don't have communities. The loose tag system means people might post a selfie where they're smiling. Since they're smiling, they use the funny tag. Then they vote buy their way to the top of every tag (including funny) and all of a sudden your favorite tags are polluted by voyagers.