First thing to understand is steem is still a social experiment. When social network started people didnt know how it would take off, There were many socila networks before facebook.Yet facebook won. Similarly steemit is a pioneer in the field but the biggest question to answer is how to retain users when there is monetary benefit. The social behavior makes people to leave when they find they are not making money. Many people just write crap but with the connection and followers, the post gets upvoted and get 100s of dollars for the post.Yet there are people who write good quality post and wont get rewarded. My belief is that voting system it not a true mechanism to do this. its getting easily skewed and centralized