Pattern is full, you can bang on all you like about what student pilots can/could do. The fact of the matter is that all of these pilots were rated as competent by their authorities and companies. All were at the controls when aircraft crashed. To a large extent, IMO AF447 and Asiana were "set up" by their employers. Do you really think they crashed due to a devil-may-care, deliberate breaking-of-the-rules attitude? Do you really think that if they had had more exposure (looks to me like Asiana had virtually none) to their respective problems in the SIM or on the line they'd still have crashed? Probably not. It remains to be seen whether the UPS pilots were in the same boat.
At some point in complex operations, you simply can't just "blame the crew".