He may have held a low-level endorsement but, you can't use that endorsement for just flying around like depicted in the video.
The low-level endorsement is for very specific tasks ONLY like checking on your own stock on a cattle property etc. It is not for joy flights scaring the pretty young thing in the backseat. If you look at the photograph you can see they have blurred out the pilots body, and she is standing on top of the aircraft. Imagine her fear knowing that the life of the pilot has been extinguished and every noise or rustle she hears in the swamp could be a crocodile coming to get her.
She has, without any choice or actions of her own, had to endure stress's that many people could not handle. My heart goes out to the pilot and his family, but it also goes out to this young lady who is obviously going to be suffering with this trauma for a very considerable time and I hope gets assistance that she needs or requires.