I was an active editor of Wikipedia for a number of years. But I have left Wikipedia.
There are many editors who have left Wikipedia.
This is an article about the problem.
The Decline of Wikipedia: Even As More People Than Ever Rely on It, Fewer People Create It | MIT Technology Review
There are many editors who have left Wikipedia.
The volunteer workforce that built the project’s flagship, the English-language Wikipedia—and must defend it against vandalism, hoaxes, and manipulation—has shrunk by more than a third since 2007 and is still shrinking.
This is an article about the problem.
The Decline of Wikipedia: Even As More People Than Ever Rely on It, Fewer People Create It | MIT Technology Review