Such nonsense. General speed limits don't have to be displayed. In the city, there's not a 50 sign everywhere either, everyone knows the speed limit in the city is 50. You only need signs at the borders for the guests and have to dismantle all signs showing more than 130. The lifting sign then just means, from here on, 130 km/h again.
... you overlooked the (invisible) big "Irony ON" sign at the beginning of the text - didn't you? ;) BY THE WAY, I've been in favor of speed limits for 30 years (for all I care, gladly only for combustion/hybrid vehicles o_O). Before, I liked to drive fast myself (2-wheelers). Now I have 2 houses, so currently I'm against more single-family houses, they're no longer ecologically justifiable... (Do I always have to write when I'm being ironic or can the inclined reader figure that out by themselves?)