There is an art to keeping opinions and hands to yourself lest you be labelled as a fly-by-mouth personality and allow "support" calls to become an excuse for back seat driving.
CRM and Cockpit Etiquette are different birds. Airline induction courses stress CRM usage. Yet, for such an important human factors subject, rarely is cockpit etiquette discussed in the class room as a specfic subject on its own. It needs to be.
Absolutely correct.
For these type of personalities discussed above, there is one tried and proven technique to alter the situation...gear up and shut up.
Works like a charm.
Even better is to have each line Captain provide an assessment of each First Officer he/she flies with (on a monthly basis) and bring these undesirable personality traits to the attention of the fleet manager or chief pilot....as these folks can take positive corrective action, as in 'knock it off bud, or out the door you go.'
Also been known to work very well.