No it can't, because the labeling of news coverage as "fake news" is highly political. By reasonable standards, much of the mainstream US news outlets would be

No it can't, because the labeling of news coverage as "fake news" is highly political. By reasonable standards, much of the mainstream US news outlets would be categorized as peddlers of fake news and be suppressed... except that will not be allowed to happen, so at some point, there will be some manipulation of either the definition or the methodology to ensure that US-government-friendly sources are favored. Similarly, if this was worked on in another world state, it would likely get manipulated in accordance with that state's political interests. And accountability + political manipulation don't mix that well. (in the sense of not necessarily factually incorrect, but