Fox New's most popular show, and as far as I know the most popular cable news show there is, dedicated their entire hour to an interview with one of the people involved in this story, and has been covering the story extensively for the last week. What you are saying here is absolutely wrong.
And I mean, just a quick google search also shows that WSJ was writing stories about this a couple of weeks ago: https://www.wsj.com/articles/the-hunter-biden-business-11602...