My thoughts on overproduction is that it means different things to different people.
Some people can write every day and it’s always quality. Journalists come to mind, and people who write every day for a living.
Often, they can do that because they have learned strategies that work for them to keep the flow and prevent burnout.
Frequency is never how quality is determined. There’s lots of people who write once a week and it’s still cheap $5 wine.
Often the difference between Inglenook and cheap wine is practice. And reading. People who read a lot learn to write in the process.
What looks like overproduction for one person might be another person just hitting their stride. Our barometer is never other people .It’s only, ever, becoming 1% better than we were yesterday.