Should we censor stuff on the internet?

When Molly and Carl are not making Short & Curly they are in charge of the world's biggest video sharing platform, called, TubeVids. That's right, it's their job to watch gaming videos, and movie parodies all day long! But it's not all fun and cat videos, people also post lots of mean stuff, as well as videos that are straight out untrue. What should they do about it? Let all the videos stay online or censor what we get to see?