Hugmonster
I hope resorting to offloading would be a very last resort if confrontation had occured already.
The situation I was picturing was one of someone new to the left hand seat or the company and so not wanting to make a "name" for themselves etc etc from the off by doing something like that.
If someone is acting wrongly as if they are in charge then surely a word to one side is the way to go, highlighting where things are going wrong and how you'd like things to proceed before radioing ops for another crew member?
Maybe offloading would be the only way to go but not until every other avenue of resolving the situation had been resolved. If not that captain could find themselves in a certain amount of trouble.