well, in his eyes, he was perfectly fine. he and L both have a strong sense of justice, however, Light also had a kind of god complex going for him. and having a god complex is
never a good thing.
i personally saw Light as the bad guy in the story, and
click to show spoiler
was elated to see him die.
however, i would go as far as to say that he was less evil and more mentaly unstable. Killing cruel and wicked people isnt as evil to me as killing some of the innocent people to save his own ass.