Exploring the poles of Bitcoin localism is helpful but what's likely to emerge is a spectrum of approaches. I suspect, as with most things, centralized approaches will fail on long time scales, and decentralized approaches will succeed but slow and painfully. In the short to medium term, we'll probably see hybrid approaches.
I like to seeing it as bitcoin scaling its way towards sociability. What I fear as the hard way of doing it might be -talking since experience- the most violent places... before violence there are aggressiveness; and the latter could be perceived since the mere way places are build and thus 'habituated' -or dwell-