Eli Pariser, author of "Filter Bubbles" gives some useful insight as to why we need to create more inclusive online spaces.. modeled after "Online Parks".

Fixing our ability to connect and build healthy communities at scale is arguably an Apollo mission for this generation—a decisive challenge that will determine whether our society progresses or falls back into conspiracy-driven tribalism. We need to summon the creative will worthy of a problem of this urgency and consequence.