As the investigation takes place, I can't help but think that the landing pilot should be 'Giving Way' to a taking off Pilot.
After all, he/she should be more alert to the landing awareness...
True, but made a lot more complicated if the flightpath of the landing pilot is at right angles to the flightpath of the pilot taking-off. Your ability to "see" the traffic can be limited by your expectation of where to look. The surviving pilot did an outstanding job to get that on the ground and keep his passengers alive.