They are completely rigged at all levels. Here, however, every single small region votes for his own candidate, so it is not enough to "tweak" votes a bit at lo

They are completely rigged at all levels. Here, however, every single small region votes for his own candidate, so it is not enough to "tweak" votes a bit at local level, then at aggregate, then statewide. E.g. only 1 level of rigging works, so effect is much smaller.