Because of non-scientific ideologues. If all the pro-nuke people sabotaged solar rollouts would you say that solar was less viable, or would you blame the sabotage?
Who has been sabotaging nuclear reactors?
"Concerned citizens" who demand endless studies about things we already have a good understanding of.
People who ignore the 10,000 deaths per week worldwide because of coal power but focus on the ~2 deaths from Fukushima.
Right, smear. Sabotaging the process.