It was dumb to risk something this rare for no reward. That's a problem.
But even with the remains safe, this is part of a troubling trend from the archeologist in question of seeking publicity and raising the stature of the H. naledi finds (which are legit amazing) beyond what he's scientifically proven. Don't blast them into space for a few minutes - show experts the proof for all those claims you continue to make despite failing peer review.