To help any writer of whatever standard to see what other writers do and choose how to improve. All of us need to improve, no exceptions.
This is a class, a guide, a route map to take an author past the basics. It is not a set of rules, and it recognises that different folk have different styles, though this may be the only place it says so explicitly!
For the new writer, the advice is simple. "Set this stuff on one side and just write what you need to write!" This stuff comes when you are ready.
None of the participants is an expert, but each writes successful fiction. 'Successful' means that they have an audience that is one that requires more than friction; they require a plot.
Current participants are:
The site already contains a Guide to Successful Writing. The masterclass is intended to broaden that and use multiple authors and their opinions.