why do people feel sorry for this person? it's bizarre. he's been given every chance in life, made millions from doing something he loves, which is an infinitely better life than most on this planet are privy to, yet has just thrown it all away, simply because he lacks the will power to stop.
why feel sorry for him?
You plainly don't understand the nature of addiction if you think it's just a matter of will-power. It's a disease and in the same way that one would sympathise with anyone who has a life-threatening illness, then so it is with addiction.
He's a chronic alcoholic, a rotten, miserable, bleak, powerless existence where nothing but the next hit matters and there's no quick or easy fix. So yes, as a human being who's going through a terrible time, he warrants sympathy and compassion.