No one said anything about statues of Hitler in Europe, and if there was a statue of those you have mentioned in your word's, and a Jewish family were to walk by one, then the moment should include and bring about an opportunity for a much needed history lesson taught right on the spot.
The child would ask his mother, "mom who is that statue of" ?
The mother would reply - well son that was a very bad man who had millions of Jews like we are killed in a horrific way.
Child - mom why is there a statue of the man still allowed to stand in the corner of this park area like that ?
Mom - We leave it there son, as a reminder to all just how fooled a people can be when they follow someone without thought of, and then the lesson we learn is to "look upon how it makes him appear to be so great", but what lies beneath the deceptive appearance was a cold blooded killer that was a spawn of the devil himself.
Child - wow mom, now that was interesting, and thanks for the lesson because now when I walk by this statue I'll know when looking upon it for just how fooled the people can be if idolize or worship the title and the power given unto a man by corrupt and evil men, instead of knowing what lies beneath which is "HIS evil corrupt CHARACTER".
Lesson ends.