Why can't people just realise humour is not unique to one's own time period and culture. Jumped the shark here - "He also speculates that the reason this work is written in a language never seen before was that it was made by a small group of people who belonged to a culture that didn’t have a written form."
Do you mean to imply that the Voynich manuscript is "obviously" a joke ?
Do you mean to imply that, in your view, the invention of a new alphabet to write an hitherto unwritten language, which would then have failed to gain widespread acceptance, is a less realistic explanation than your own theory ?
Would you please care to explain it in greater details, then ?