The First Officer was just 20 yrs old, i dont think he had the experience, and its well known at least in Mexico, that in corporate aviation young first officers usually just carry the bags, and raise the gear, so given the need, a lot of them wouldnt be able to fly and land their plane
and, theyre saying this wasnt a chartered flight, that it was a demo flight they were trying to sell the plane to the singer, according to the compnay that owned the plane