First, you seem to imply that a privately-owned public space is a bad thing. What alternatives do you envision? Wouldn't a space regulated and controlled by governmental entities or NGOs be just as liable to abuse?
Second, when you speak about "Facebook," what do you mean? Do you mean that the people who work there don't care about helping people connecting there? That Mark Zuckerberg personally doesn't care? Or that the corporate entity of Facebook has some sort of conscious will of its own separate from the will of its employees?
Third, you seem to imply there's an obvious reason why Facebook blocked TOR that furthers their business interests. Can you elaborate on what that is?