While I see the appeal of this kind of system, it also could act to silo communities towards groupthink, exacerbating the misinformation woes that have fracture

While I see the appeal of this kind of system, it also could act to silo communities towards groupthink, exacerbating the misinformation woes that have fractured our society. "Trust, but verify" would be an interesting mantra to try to encode into such a system to resolve that.