Exactly right. Criticise what they've said but don't be personal.
To succeed with constructive criticism is highly unlkely. That would mean that you are of the opinion they are wrong and they should accept your constructive critisism and take another point of view.
I can't see that happening.
Constructive criticism is helping the person to do something better how better to make a cake or finish some woodwork or sewing. Mental constructive criticism is ususlly in the hands of a psycholgist or a counsellor as you have to be very careful how you tread.
Be careful what you wish for Rubylady
On GN you just get another point of view, and a softly softly thread will die off very quickly.
Morecambe and Wise - the lost tape


This sort of thread makes everyone paranoid because no one knows who it is aimed at. Best really to make your view known on the thread at the time. 
Perhaps Margaret would explain?
