1: The cost is too high, which is the most direct and critical reason.
The reporter's safety can't be guaranteed. If the reporter is to bear the responsibility in the accident, there is no need to work hard.
3. The local stations are facing the local audience, and the international news is basically broadcast directly to CCTV, and the focus of ratings is local news. Just like you are from Shanghai, you are always more concerned about what happens around you in Shanghai than what happens in Hubei, Hunan and Hainan. These things have nothing to do with anything.
Generally speaking, TV stations are also profit-oriented enterprises, and they are also concerned about the return on investment.