Ezra could not have written the 94 books 5000 years after creation. If he had, the books would not have been available for students to read 5000 years ago.
Other related questions:
What year was the book of Ezra written?
The book of Ezra was written sometime between 450 and 400 B.C.
How many books were written by Ezra?
According to the Bible, Ezra wrote only one book, namely the book that bears his name in the Old Testament.
Did Ezra edit the Old Testament?
No, Ezra did not edit the Old Testament.
Why is the book of Ezra not in the Bible?
The book of Ezra is not in the Bible because it was not included in the list of books that were canonized by the Council of Trent in 1546.