That is not what she said.  Of course, your link goes to an edited video. It's clear from the context and that she said it's the media's job to keep President Trump from making up his own facts - as she has said many times before - not that it's the media's our job to control what people think.  Her statement referred back to this one: Well, I think that the dangerous, you know, edges here are that he is trying to undermine the media and trying to make up his own facts."