Didnt you just explain how current social media work ? Who decides what is „news” and what is „fake-news” ? (Few PC ppl in big corpos?). Why sayin that „sure

Didnt you just explain how current social media work ? Who decides what is „news” and what is „fake-news” ? (Few PC ppl in big corpos?). Why sayin that „sure you can say what you want, but you have to defend your words” is so controversial ? Are ppl afraid of being proven wrong or look stupid ?