Yes, it's been 2 years since the problem has been publicised and discussed but fake news is still widespread. So clearly it is a difficult problem that is hard

Yes, it's been 2 years since the problem has been publicised and discussed but fake news is still widespread. So clearly it is a difficult problem that is hard to fix. But stop talking about it like you just discovered that fake news exists. I'm not sure what kind of discussion you were trying to start by doing that.