alt Hacker NewsYeah they have grown because it's the only thing Google ever shows when you want people's opinions or search for something and want to see what people say. The only forum or community they ever show is reddit and nothing else, not even Twitter nor Instagram nor anything else.
Twitter, Instagram, Facebook are all closed [too, like Reddit], Google SERPs should have preferred reddit as a source people could access. I don't see it that much; probably country or personal search effects.