The salient feature of your friends shitpumishness is that he picked a MI-14 to stake his claim on. If he said it was an Astar or a Bell 212 then he'd have the benefit of doubt since there are games where helos like that are used to move troops or even recce. It just takes the big bucks to charger it.
But an old Soviet bird; not in a million years given the cost and the rarity and the general give your head a shake of something like that being certified to fly over here for that purpose.
Airsoft, where nothing is hurt but feelings.