Very sad event and a classic example of the Swiss cheese holes lining up. I was there for a while and there were many challenges. Not least a toxic and bully boy management culture backed up by minimal or no human rights as is typical in the ME. Pilots were understandably afraid to be fatigued or even sick. Chief pilot at the time embraced the toxic culture until being moved sideways to another management job in a training organisation having no previous training experience. You could not have made it up. Very tragic and RIP to all involved.