I would bet there is a gulf of difference in equipment and training between rich countries' first responders and personnel on some random navy ship in poor and curruption-ridden Egypt.
Real life is not Paw Patrol! Watch latest interviews with firefighters from California!
Rescuers already put themselves into dangerous situation (operation on stormy sea). But at some point risks are too great, and there is no point to pile up more bodies. Or demand more rescuers, to rescue original rescuers...