True, better clients will remember that a person had a voice before they were opped and will return the + when they are deopped, but that doesn't solve the problem.

‘Consent then Madam to their union and as a reward, this smelling Bottle which I enclose in my right hand, shall be yours and yours forever; I never will claim it again.’

[I]t is a deed of higheſt charitie to help undeceive the people, and a vvork vvorthieſt your autoritie, in all things els authors, aſſertors and novv recoverers of our libertie, to deliver us, the only people of all Proteſtants left ſtill undeliverd, from the oppreſſions of a Simonious decimating clergie; […]

In the United States, recordings are only granted copyright protection when the sounds in the recording were fixed and first published on or after February 15, 1972.