Well, yeah! It was settled in court that they're strictly an entertainment company. It's the most-watched cable entertainment station that just likes to riff on the news ¯\_(ツ)_/¯
Yeah, they are. They're not the ones getting banned, because they maintain an air of plausible deniability.
Not saying they don't deserve to be banned, but they're not overt Russian propaganda—simply the regular, alt-right Conservative kind, and apparently Facebook is totally fine with that.