social media decrease the quality of news

Do you believe that social media has increased the quality of news and information or decreased it?

I think the social media has decreased the quality of news. Everyone can post news on the social media. But some of them are not professional. They are not quite familiar with the quality of the news. They just write what they want to write. Sometimes they ignore the responsibility for an editor. The topics they post on the social media refer to the criminal topic, privacy etc. on the traditional media, they provide us very professional news which is true and believable. On the social media, there is so much news. If we read a lot of news which is not good will waste a lot of time but get nothing valuable.and there are so many advertising on social media now.  But the one big advantage is that we can hear many different sounds. In some countries, the government control the sounds of the traditional media. But the government cannot control all the social media. So it is a good point in some countries.