What is it about the Tuvix fix that everybody's so concerned with? Is it that Tuvix's disposal was so neat and tidy - that Captain Janeway's hands should've been a little more sullied by it? Let's face it ... Tuvix was an interesting novelty, but he had no future. What would people have wanted, instead? For Tuvix to have been duplicated, whilst Tuvok & Neelix were restored, probably. Then he could've gone the way of Thomas Riker. Would that have absolved the good captain, in fans eyes?
Here I totally agree.
"Tuvix" was a tragic result of a transporter accident. Janeway coreected that and restored two crewmembers who otherwised would have been wiped out. It was a choice between them or "Tuvix" and I think Janeway did the right decision.
It was no murder.
Sometimes I also have a feeling that if Kirk or Picard had been in the same situation and done the same thing, no one would have objected.