Social media is not a problem. Tools for social internet connections are. Before all centralized tools we stayed connected with blogs, forums, etc. Fragmentation is important. Practically speaking, content is king. By giving your content to someone for free, you are creating a precedent in which, someone will explore your effort for nothing in exchange. Facebook is bottomless pit of greed. Thats why they are failing. Yes if you are technically and psychologically educated individual you can make this tools to work for you. But in a long run this is not true solution.