It's very powerful. After their personal communal deliberation on both sides, and the medley is cross-pollinated across both sides, they realize that they want more or less the same thing, that it's not zero-sum or negative-sum at all. They have a shared understanding. But if you literally bring people to the same table, they start fighting each other. This means both the hyper-local community (strong ties) is important, but the translation layer—they literally have a bridging dictionary that handles the vocabulary-level translation—is also important.