Personally, I think that as SN scales, the biggest challenge will be surfacing high value posts to the right people, and not letting good, high effort posts fall through the cracks because they didn't get enough attention in the first few hours

That being said, I do like the original idea, that zapping more makes posting cheaper, and letting territories set the policy. I share the concerns of some other stackers that this would have a chilling effect on new or infrequent users, but presumably by putting it in the control of territories they will find the right optimum for themselves