Two heads/ears/eyes/sets of hands are usually better than one.
The crew included two co-pilots and one captain. Both chairs were occupied by co-pilots; the captain, when he awoke and came to the cockpit, just stood behind them, as I understand.
Only if one of them has enough command status to take control of the overall situation. Of course, that might have been part of the problem ... until the black box information is released to the public this will be a mystery. And even with the deciphering of the black box information, we may never know.