It would be reasonable to argue that leading with the head could be dangerous to others. I don't think being a ball carrier absolves them of all responsibility.Law 9.11 Players must not do anything that is reckless or dangerous to others including leading with the elbow or forearm
To your point, we know that the ball carrier can commit foul play because World Rugby confirmed that attempting to hurdle a tackler is foul play and should be penalized.It would be reasonable to argue that leading with the head could be dangerous to others. I don't think being a ball carrier absolves them of all responsibility.
To your point, we know that the ball carrier can commit foul play because World Rugby confirmed that attempting to hurdle a tackler is foul play and should be penalized.