people have to take responsibility for their own actions and through out life, and sadly at times, some people do not think before carrying out or doing something or other which in this instance ended badly in tragedy,.
no different from some people crossing roads, talking on their mobile phones all at the same time, as bad as some drivers doing like wise when behind the wheel of a car, …...and so it goes on and on, some times lessons aren't learnt, mores the pity,.