Is there such a thing as too many books published?

I have been studying book ideas for around 20 years or more and I think I could write an entire book in 7 days if I wanted to. I told my friend I might beat the Guinness book of records for most books published that sell more than 400 copies.

She said if you want to publish that many books, you will have to do it yourself, because it is very unlikely a major publishing house will decide to publish all hundreds or thousands of books you have written on your own when they have other authors they are also promoting as well.

Is there such a thing as too many books published?
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