As far as I know, plagiarism has supplanted art versus craft as a woodturner's version of the unexamined life. I don't have a signature piece that's mine alone since, if I remember correctly, the original forms and beauties designed by the Deity or evolved by nature are now in the public domain. Sad to say, nobody has ever wanted to steal my concepts so I'll whine about a variant instead. (for brevity, insert a smiley icon here and explain it fully in several languages) I refer to outsourcing or assigning work in-house by the more acclaimed and busy luminaries among us. Of course this never actually happens in the innocent antiseptic world of the turned wood art business as it does in other less ethical artistic endeavors such as painting, sculpture and little league. (insert acronym for 'tongue in cheek' with full explanations in pidgeon English, Sanskrit and Esperanto)
Anyway just to suggest a hypothetical argument to fan the flames; does it somehow seem not quite right for a busy 'Leading Light' (definition: a turner who publishes excessively so as not to perish) to have work begun and mostly turned or finished by a talented but unknown journeyman; barely touched by himself, yet signed and sold as a 'Mr. Wonderful' original?
Just a Crotchety old Coot's acronym free musing that's necessarily long; a myth and a delusion. I'm sure no woodturning guru ever demeaned the craft in this manner. (insert ethnically neutral acronym for 'in my humble opinion' and add a racially blind, politically proper and religiously unestablished abbreviation for the four letter word..... 'grin')
Turn to Safety, Arch Fortiter