[1] without vetting the evidence (or highlighting the lack thereof) &
[2] without the context of how often these turn out to be true/false
they're part of the FUD Generation Machine
Fox News' use of the "FOX NEWS ALERT" interruptions and the fear mongering were quickly replicated by all the other major cable networks in an attempt to compete. All of the networks were complicit in selling us into war with lies,
I think it's really more silly and uninformed to single out Fox News, given the current media ecology and political climate. Today's CNN and MSNBC will do things that are simply treacherous, making Fox News look tame by comparison. We're in a new era now.
Fox News uses fear - and the degree at which their resident pundits use falsehoods and misrepresent the truth - and use fear as a partisan tool to push one single political party - is far beyond CNN and MSNBC.