OTOH, as of 1972 there was the Radikalenerlass (directive concerning radicals), which screened all candidates for civil service positions, including especially teachers, for anti-constitutional left or right extremist leanings.
https://de.wikipedia.org/wiki/Radikalenerlass (unfortunately there is no English language version for this entry)
Things turned downward when the Greens began to get more and more traction from the mid-1980s onward. Today they are starting to fade out again, people are getting fed up with their crappy politics.
Yes. Point taken.