Bookworm
If I take my car in the garage and the mechanic points out the brakes are on the point of failure, my first concern is not whether this contravenes the European Human Rights Act.
This thread was started by someone trying to defend his friend in an argument with the friend's club.
My point is, if he is a true friend, then persuade him to listen and not argue.
This is after all a Professional pilots bulletin board. Professional pilots have to accept constant assessment and the fact that it is their responsibility to correct their shortcomings.
If his friend thinks argy-bargy is the solution to criticism then maybe he should become a train driver.