another problem is that this will cause 100,000+ validator warnings because StatsNZ and LINZ don't agree on suburb boundaries - compare SA3 (https://data.linz.govt.nz/layer/113764 ) with https://data.linz.govt.nz/layer/113764 at places like Milldale or Devonport

so this means `addr:suburb` won't match the enclosing `place=suburb` boundary. Also worth discussing, I feel like if we're going to import boundaries from a new dataset, there should be a plan to resolve this inconsistency for addresses....

.....but we can't use SA3 for addresses because we don't have an ODbL license waiver from Stats NZ who've changed their license from CC 3.0 to CC 4.0