I would be interested in your definition of CRM, or for that matter your definition of manners.
CRM is variously defined as as a comprehensive system for improving human and crew performance. Course requirements include, threat and error management, leadership, communication, decision making, situation awareness, stress and fatigue management, company safety culture and organisational factors.
One thing you can be very sure of is that CRM is not defined as having manners or being nice. While it can definitely be argued that those are fine attributes for anyone wanting to get the best out of their crew, however, as a leader, keeping discipline is also required.
It is in my humble opinion a clear indication that you should remain in the F/D and look after what you are hired to do and that is to fly the plane.
Well, mascarpone I guess you should read the Flight Ops Manual and every other manual that is authorised by the regulator, then you would actually find out and maybe understand what a pilots role actually is. Otherwise we would be operating the airline under the auspices of your
humble opinion