More places to visit, more interconnectedness, more difficulties in controlling access to stuff, etc. An equivalent formulation is in terms of the radius of the n-sphere that everyone fits into. What Cypherpunks should be pushing for, in my view, is this increased dimensionality. After all, the Soviets couldn't stop samizdats, the Chinese couldn't stop fax machines, and the Americans can't stop drug use, so what hope is there in controlling modems, crypto, cellular phones, satellites, Web links, stegonography, terabytes of data flowing unobstructed across borders, and so on. Lots more remailers.
Accounts allow trivial proliferation of more remailers.
Web access remailers. More offshore sites, members, etc. And so on. Increase the richness of cyberspace. More places, more avenues, more rooms, more more.