Just because something is not illegal does not mean that society need to be tolerant of it. E.g. I she'd no tears for the neonazis who lost their jobs after being outed in Charlottesville [1] (though I don't support through name and shame that brought it about). However, I don't think it's correct for the government to censor their writings.
Another instance, I think fox and Breitbart are scourges for their disinformation campaign (not that they're "conservative" or have an "agenda", the wsj is also conservative and has an agenda), but making them illegal is a line too far. It provides too much power to a government who already has too much.