I actually sort of like it when Big Damn Heroes get stupid, random deaths. It feels more like life to me. I mean, what's the ratio of people who go out saving their friends / the planet / whatever to people who go out because they slipped on something or blinked and missed the oncoming car or got cancer or whatever. Big important people sometimes just die for no reason at all. It sucks. It's happened to me. Stories like this helped me, and continue to help me, deal with that.
I'm not a religious person, and I think death is mostly just random and meaningless. Stories that try and make some great big deal out of it usually just piss me off. Janeway was curious about something, got eaten by a floor, and was buggered off. Whoops. I don't think it means anything, and I don't think it's unworthy of the character. I think all death is unworthy of anyone, and beyond that all we're doing is splitting hairs.
After that though, how other people deal with it? That's a story; that's about life, and a conflict everyone has to face sooner or later. So, assuming Full Circle does that story well, I couldn't really possibly care that much about her death, where it happened, how it happened, or how conscious she was when it did. I see how other people would, but even if I hadn't liked Before Dishonor, it wouldn't have made any difference in my opinion of the plot twist itself.
I am a religious person (I only mention it because of Thrawn's statement as to his non-religiousity here - and so as to let other posters understand part of where I'm coming from).
So, for me, "Big Damn Heroes get stupid, random deaths" gets a different gut response from me, I suppose. My particular belief holds that the messiah died one of the most ignoble deaths imaginable. It was as tawdry as it gets.
And - again from my perspective - it does "suck" bigtime.
But it is part of my belief structure, it's part of my world view. So, I don't get all hung up about the why someone dies the way they do anymore. I've seen too much in my own life to even try to begin to understand why horrible, seemingly meaningless (from my perspective) things happen to good people.
In the fictional world we are looking at lots of different perspectives on these critical issues. But the issues are at heart always the same. Who made me? Why was I made? What am I meant to do with the time that I am given and who the hell gets to decide how much time I've been given in the first place?...and what happens to me when I die?
For me, the joy of Startrek is the sheer number of of potentially valid and certainly challenging philosophical viewpoints that the all the tv series', movies and books keep producing - from so many angles - that address these universal questions.
I love that, and it's what keeps me coming back for more.