The majority of “Germany” if for speed limits for decades. But like with every other topic we are held hostage by corrupt politicians, the industry bribing them and the pensioneers voting for them again and again and again.

For the same reason “Germany” (your definition this time) will always fight tooth-and-nail against any restriction on or required medical evaluation for driver’s licenses of our senile overlords. We have simply given up and just take the daily accidents with black humor (see: https://feddit.org/c/rentnerfahrenindinge)