This sounds right. Also, cigarettes are expensive for a reason. AggregateDemand is on to something in pointing out that he would have had an untimely death one way or another.
His future was uncertain. My point is that the cause of death is directly attributable to his own self-neglect and his choice to resist arrest (assuming he actually did resist arrest). Can we really expect officers to preserve the lives of citizens, who are inadvertently killing themselves?
The possibility of excessive force via choke-hold, seems unrelated to the man's death.