The thread starter posted a serious topic. I didn't find it necessarily offensive but it was a good question. not all the posts were great but I think those were the minorities.
I can understand the concern for members who may be facing death or have a loved one facing death, but the issues surrounding it are ones that at least mature adults will have to face with regard religious implications.
The topic is only offensive as an unavoidable issue in life, one which is not simply a private and personal matter but has social implications and should be dealt with at a social level as well as on a personal level.
You don't have to allow this topic on the ubuntu forums, but it's darn shame that you wouldn't.