"pushing the noise towards the ground" might be nothing more sinister than the required swift'ish response to a TCAS RA.....how good is the average CC members knowledge of the FCOM 1 and QRH?
This is irrelevant, she or he has simply to decide whether opening the door to the captain or FO is reasonable. Independent of what the Pilot Flying is doing is there a sensible reason to exclude the other pilot Y/N? People skills, is supposed to be what CC are trained for isn't it?