I feel like I need to do something about this. I see the marginalization of small sites and niche sites (self hosted empires) and the growth of large massively

I feel like I need to do something about this. I see the marginalization of small sites and niche sites (self hosted empires) and the growth of large massively huge systems like facebook. The web is becoming a tool of multinational corporations and less a community of people. This makes me really sad and I don't know what to do. I feel like I need to something.