I'm not quite sure what you mean, that friends/family are a good source because they filter out noise? I would assume it's the worst type of source, people that are biased and don't provide a basis for their views, and might not always be understanding if you ask doubtful questions.

This is…what? It isn’t “actually an excellent” anything. My family only relays the most absurd rage-bait news to me. I’d rather go without it.

This perspective keep me locked into the Republican party for decades. It took a long time for me to seriously consider perspectives outside the bubble.