"However, many of these posts only have derision to offer rather than meaningful discussion."

I can have the opinion that climate change is really happening, even though i'm not a collage educated climate scientist. because I listened to collage educated climate scientists who say it is really happening.

I can have the opinion that the singularity is a real possibility even though i'm not a collage educated computer scantiest. Because i listened to collage educated computer scientists who say it's a real possibility.