Look - even if this fool hadn't triggered a TCAS RA on the other aircraft, he must have realised that if he was close enough to take a snap of his mate, so was everone else on both aircraft.
Given that the 6 Degrees of Separation theory says that the story had a 100% chance of getting back to a) the press or b) the above-mentioned fool's Chief Pilot via some circuitous means, we should seriously be asking ourselves if he wasn't a boiled egg short of a picnic in the first place.....