Yes, because it's cheaper and easier and has a longer tail (the press conference may be 20 minutes, the discussion about it can last all day) and is likely more

Yes, because it's cheaper and easier and has a longer tail (the press conference may be 20 minutes, the discussion about it can last all day) and is likely more entertaining (because the host can inject some personality) - so if you added more regulation to the "news" side, it would tip the balance to "opinion"/entertainment even further.