hmmm, well I would want to send one b/c he's still my brother, I love him, and I hope he somehow gets better.
I wouldn't want to b/c ...I dunno.. the no contact thing? My friend/neighbor is a forensic pathologist - has seen lots of dead guys who have o/d'd or drank themselves to death, and said "no contact" - its his best chance at recovering. But sending a card or email seems so small, like not accepting, just staying in a little bit of contact to keep lines of communication open.
My parents are always saying "we have such a small family. we should try to get along, etc.." which makes me feel so guilty again.