It's ok because the thoughts they ban are not novel, they had their time and were thoroughly executed on.
You'll have hard time convincing anyone that thought "Jews are inferior race and should be exterminated" should have the same right to be considered as any other. When we already thought this thought extensively and even based our actions on it and it led only to unprecedented nhuman suffering.
You'll have hard time convincing anyone that thought "Jews are inferior race and should be exterminated" should have the same right to be considered as any other. When we already thought this thought extensively and even based our actions on it and it led only to unprecedented nhuman suffering.