Because real democracy is using censorship and authoritarian measures to repress political dissent. Is your democracy textbook from the Democratic People's Republic of Korea? What an absolute clown. I don't care where you stand on the political spectrum: what you are suggesting is the exact opposite of democracy.

Populist movements are the opposite of a threat to democracy; they represent the actual views of the people, not the views of some cultured elite. Real democracy, not some republican elitism.