The way I see it, Tuvok and Neelix died in an accident, and a separate life emerged from it. The crew just couldn't accept their deaths so they killed Tuvix to get them back.
I don't see it as a logical decision but an emotional one. How Tuvix came to exist doesn't matter, he was still a person, and they basically murdered him to get their friends back. He wouldn't be the first living thing that wasn't "meant" to exist.
Either way it's a very difficult moral question and probably the best episode in Voyager as far as emotional impact.
I agree with this. However, I can understand why Janeway did what she did. Two crew members are better than one in the world where their crew had to survive in.
Same. It's understandable, yet at the same time horrible when you look at it from Tuvix's perspective. You make a good point about the survival aspect though. From that perspective it is logical.
I really wish Voyager had spent more time on the survival theme throughout the show, kind of like BSG did. Trying to survive in a remote part of the galaxy should've had a much bigger impact on the characters than it did.
Q shows up and says I will bring them back to life and in exchange I will erase some random Starfleet member from the timeline and make it as if they never existed.