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This simply isn't true.

Many of the subreddits (e.g. the ones dedicated to cities or schools) are far more about the community than the content.

> Sure, reddit has a community aspect, but it's really just a side dish compared to the content (links).

Maybe if you stick to the default subreddits that are composed entirely of memes.

The main reason that I use Reddit is for the discussion; I highly, highly doubt that you're going to find /r/askscience-calibre conversations on Facebook.

OTOH, subreddits like IAMA, AskScience and ELI5 are fairly significant parts of reddit. In fact, most of the top items in /all are memes that refer back to things that happen within Reddit, so I'm not sure the links to external websites are nearly as important as the community these days.