Oh, people will still write in public. I do. It's the people that wanted credit for what they wrote in public that will stop doing it. But I think everybody else can just keep on doing what they were doing.
People who wanted credit and people who wanted someone to read it will stop.
Which is significant anount of people who wrote. People who dont care about either are a minority of those who wrote.
Since no one will find that, you might as well write for yourself. And if you are wroting for just yourself, you will keep it for yourself or just wont bother.