Voynichese is a numeric cipher?

[ololololo]

Could you feed your cipher description to a coding agent and make it create an encoder, that would convert plaintext to ciphertext?

Well, I can do that, but it won't be a full-fledged cipher. I don't know if it's possible to teach him all the arbitrary aspects of encryption, such as nulls, etc. Otherwise it will just be a substitution.
But I'll try

Not many people like wasting their time.

The author's responsibility was to encrypt the book and provide the decipherer with the encryption alphabet. It is possible that he did not even consider whether certain parts of the text could be deciphered. By the way, You are not allowed to view links. Register or Login to view. may have made a mistake in the encryption process.