I'm actually curious, what's a use case that really makes the broader system better by being able to discover content from anyone, anywhere? The best I can com

I'm actually curious, what's a use case that really makes the broader system better by being able to discover content from anyone, anywhere? The best I can come up with is a historical record. Beyond that I'm at a loss for a use case that is noticeably better with search compared to social graph-based discovery.