In communication courses, I learned that a rule of feedback is that the receiver is allowed to refuse it, which actually makes sense as feedback is quite subjec

In communication courses, I learned that a rule of feedback is that the receiver is allowed to refuse it, which actually makes sense as feedback is quite subjective. I don't know if that is specifically German (Wikipedia tends into that direction). Still I agree with your and the original poster opinions. RMS should reflect a bit on that.