saddest aviator,
I whole-heartedly agree. Throughout my career in the RHS so far, I've been offered advice if things go pear-shaped, and asked after a flight "what would you do differently if you made that approach again", etc.....
It's up to me what to do with this info in the end, & I like to think that I'm a pretty well-rounded pilot because I've taken it all on board.
But, as Stuck_in_an_ATR says, it depends a lot on the attitude of the FO in question.