How perfect is Voynichese?

[ololololo]

I guess that by "corrupted" you don't mean "immoral" but rather kind of "damaged"

All right

- copied in untidy way or by a clueless person so changing many chararcters or losing many important details?
- enciphered in a bad, lossy way so the text is broken beyond repair and impossible to recover?

What you have listed refers to the "scribe's mistake". I suggest we look at it from the other side and stop blaming the scribes...
I mean something completely different. Take, for example, the Caesar cipher with a shift of 10 and the word APPLE:
QFFBU
Now let's put these letters in alphabetical order.:
BFFQU
Since this is a whole word, we'll denote it at the end with I
BFFQUI
Insert an arbitrary vowel between the repeated consonants, let's say A:
BFAFQUI
I won't tell you the next iterations, but the result is the following:
BFE OAFQEU EUEI
The new rule was the arbitrary division of the word and the addition of an arbitrary vowel before each vowel.
It's not an algorithm, because I didn't get this result right away. This is a "corrupted" cipher. I can use it to encrypt a word, but even if you know all its rules, you will have difficulty deciphering it.
Only my example is also redundant, while, in my opinion, Voynichese itself is complex, and there are no such "additions" in it.