How would you react if your teenager was bold enough to suggest that you were less than perfect?
It is a common failing that most human beings do not react well to criticism you can see that on here all the time. There is very little interest or genuine understanding of CRM and other aspects of modern airmanship as will be shown by the lack of posts on here.
A simple CRM question-we all know that an aircraft is easier to see when displaying a landing or recognition light so why dont more pilots use one at least in the circuit?