Or perhaps he sees democracy as imperiled and in need of defending. In that view, efforts to undermine the public's confidence in democracy could be seen as evil.
That point of view is very helpful to every violent hierarchy that hides behind the language of democracy and liberty.
Only if by undermining democracy you mean undermining the word itself. Teaching people that the people cannot govern themselves, that democratic institutions cannot be trusted, and that leaders are born, rather than elected, are all helpful to authoritarians and harmful to actual democracy.