In his defence, however, it must also be said that such methods of education in that questionable period between the 1960s and 1970s were wide-spread amongst parents as well as teachers.
Zu seiner Ehrenrettung muss allerdings gesagt werden, dass solche Erziehungsmethoden in der fraglichen Zeit, den 1960er und 1970er Jahren, weit verbreitet waren, bei Eltern wie bei Lehrern.