Earlier quoted context omitted.
It's amazing how many think declaring something illegal will stop criminally-minded people having and using it.
It won't stop it, but will allow enforcement agencies to enforce. Otherwise, they have no legal recourse to do so.
Why should the ability to impersonate a persons voice suddenly become a crime in itself?
Should we arrest Jim Carrey?
Isn't it when the thing was used to do something else illegal when enforcement is required?